Home / 291,438,420-631,304,470

Finding the Third Proportional to 291,438,420 and 631,304,470

Calculator

Solution

The third proportional to 291,438,420 and 631,304,470 is: 1,367,511,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,438,420 : 631,304,470 = 631,304,470 : x
  2. Step 2: Convert to fraction form
    291,438,420/631,304,470 = 631,304,470/x
  3. Step 3: Cross multiply
    291,438,420x = 631,304,470 × 631,304,470
  4. Step 4: Simplify right side
    291,438,420x = 398,545,333,841,980,928
  5. Step 5: Solve for x
    x = 398,545,333,841,980,928/291,438,420
  6. Step 6: Final answer
    x = 1,367,511,304.25

Related Problems

Find third proportional to 145,719,210 and 315,652,235
Half scale
Find third proportional to 582,876,840 and 1,262,608,940
Double scale
Find third proportional to 291,438,422 and 631,304,474
Similar ratio
Find third proportional to 437,157,630 and 946,956,705
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.