Home / 285,440-627,376

Finding the Third Proportional to 285,440 and 627,376

Calculator

Solution

The third proportional to 285,440 and 627,376 is: 1,378,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,440 : 627,376 = 627,376 : x
  2. Step 2: Convert to fraction form
    285,440/627,376 = 627,376/x
  3. Step 3: Cross multiply
    285,440x = 627,376 × 627,376
  4. Step 4: Simplify right side
    285,440x = 393,600,645,376
  5. Step 5: Solve for x
    x = 393,600,645,376/285,440
  6. Step 6: Final answer
    x = 1,378,926.03

Related Problems

Find third proportional to 142,720 and 313,688
Half scale
Find third proportional to 570,880 and 1,254,752
Double scale
Find third proportional to 285,442 and 627,380
Similar ratio
Find third proportional to 428,160 and 941,064
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.