Home / 133,111-290,786

Finding the Third Proportional to 133,111 and 290,786

Calculator

Solution

The third proportional to 133,111 and 290,786 is: 635,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,111 : 290,786 = 290,786 : x
  2. Step 2: Convert to fraction form
    133,111/290,786 = 290,786/x
  3. Step 3: Cross multiply
    133,111x = 290,786 × 290,786
  4. Step 4: Simplify right side
    133,111x = 84,556,497,796
  5. Step 5: Solve for x
    x = 84,556,497,796/133,111
  6. Step 6: Final answer
    x = 635,232.98

Related Problems

Find third proportional to 66,555.50 and 145,393
Half scale
Find third proportional to 266,222 and 581,572
Double scale
Find third proportional to 133,113 and 290,790
Similar ratio
Find third proportional to 199,666.50 and 436,179
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.