Home / 418,284-631,350

Finding the Third Proportional to 418,284 and 631,350

Calculator

Solution

The third proportional to 418,284 and 631,350 is: 952,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,284 : 631,350 = 631,350 : x
  2. Step 2: Convert to fraction form
    418,284/631,350 = 631,350/x
  3. Step 3: Cross multiply
    418,284x = 631,350 × 631,350
  4. Step 4: Simplify right side
    418,284x = 398,602,822,500
  5. Step 5: Solve for x
    x = 398,602,822,500/418,284
  6. Step 6: Final answer
    x = 952,947.81

Related Problems

Find third proportional to 209,142 and 315,675
Half scale
Find third proportional to 836,568 and 1,262,700
Double scale
Find third proportional to 418,286 and 631,353
Similar ratio
Find third proportional to 627,426 and 947,025
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.