Home / 454,114-687,459

Finding the Third Proportional to 454,114 and 687,459

Calculator

Solution

The third proportional to 454,114 and 687,459 is: 1,040,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,114 : 687,459 = 687,459 : x
  2. Step 2: Convert to fraction form
    454,114/687,459 = 687,459/x
  3. Step 3: Cross multiply
    454,114x = 687,459 × 687,459
  4. Step 4: Simplify right side
    454,114x = 472,599,876,681
  5. Step 5: Solve for x
    x = 472,599,876,681/454,114
  6. Step 6: Final answer
    x = 1,040,707.57

Related Problems

Find third proportional to 227,057 and 343,729.50
Half scale
Find third proportional to 908,228 and 1,374,918
Double scale
Find third proportional to 454,116 and 687,462
Similar ratio
Find third proportional to 681,171 and 1,031,188.50
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.