Home / 417,280-627,912

Finding the Third Proportional to 417,280 and 627,912

Calculator

Solution

The third proportional to 417,280 and 627,912 is: 944,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,280 : 627,912 = 627,912 : x
  2. Step 2: Convert to fraction form
    417,280/627,912 = 627,912/x
  3. Step 3: Cross multiply
    417,280x = 627,912 × 627,912
  4. Step 4: Simplify right side
    417,280x = 394,273,479,744
  5. Step 5: Solve for x
    x = 394,273,479,744/417,280
  6. Step 6: Final answer
    x = 944,865.51

Related Problems

Find third proportional to 208,640 and 313,956
Half scale
Find third proportional to 834,560 and 1,255,824
Double scale
Find third proportional to 417,282 and 627,915
Similar ratio
Find third proportional to 625,920 and 941,868
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.