Home / 418,080-631,008

Finding the Third Proportional to 418,080 and 631,008

Calculator

Solution

The third proportional to 418,080 and 631,008 is: 952,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,080 : 631,008 = 631,008 : x
  2. Step 2: Convert to fraction form
    418,080/631,008 = 631,008/x
  3. Step 3: Cross multiply
    418,080x = 631,008 × 631,008
  4. Step 4: Simplify right side
    418,080x = 398,171,096,064
  5. Step 5: Solve for x
    x = 398,171,096,064/418,080
  6. Step 6: Final answer
    x = 952,380.16

Related Problems

Find third proportional to 209,040 and 315,504
Half scale
Find third proportional to 836,160 and 1,262,016
Double scale
Find third proportional to 418,082 and 631,011
Similar ratio
Find third proportional to 627,120 and 946,512
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.