Home / 291,528-627,792

Finding the Third Proportional to 291,528 and 627,792

Calculator

Solution

The third proportional to 291,528 and 627,792 is: 1,351,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,528 : 627,792 = 627,792 : x
  2. Step 2: Convert to fraction form
    291,528/627,792 = 627,792/x
  3. Step 3: Cross multiply
    291,528x = 627,792 × 627,792
  4. Step 4: Simplify right side
    291,528x = 394,122,795,264
  5. Step 5: Solve for x
    x = 394,122,795,264/291,528
  6. Step 6: Final answer
    x = 1,351,920.90

Related Problems

Find third proportional to 145,764 and 313,896
Half scale
Find third proportional to 583,056 and 1,255,584
Double scale
Find third proportional to 291,530 and 627,796
Similar ratio
Find third proportional to 437,292 and 941,688
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.