Home / 290,515,515-622,476,822

Finding the Third Proportional to 290,515,515 and 622,476,822

Calculator

Solution

The third proportional to 290,515,515 and 622,476,822 is: 1,333,758,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,515,515 : 622,476,822 = 622,476,822 : x
  2. Step 2: Convert to fraction form
    290,515,515/622,476,822 = 622,476,822/x
  3. Step 3: Cross multiply
    290,515,515x = 622,476,822 × 622,476,822
  4. Step 4: Simplify right side
    290,515,515x = 387,477,393,927,219,712
  5. Step 5: Solve for x
    x = 387,477,393,927,219,712/290,515,515
  6. Step 6: Final answer
    x = 1,333,758,005.75

Related Problems

Find third proportional to 145,257,757.50 and 311,238,411
Half scale
Find third proportional to 581,031,030 and 1,244,953,644
Double scale
Find third proportional to 290,515,517 and 622,476,826
Similar ratio
Find third proportional to 435,773,272.50 and 933,715,233
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.