Home / 250,400-517,376

Finding the Third Proportional to 250,400 and 517,376

Calculator

Solution

The third proportional to 250,400 and 517,376 is: 1,069,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,400 : 517,376 = 517,376 : x
  2. Step 2: Convert to fraction form
    250,400/517,376 = 517,376/x
  3. Step 3: Cross multiply
    250,400x = 517,376 × 517,376
  4. Step 4: Simplify right side
    250,400x = 267,677,925,376
  5. Step 5: Solve for x
    x = 267,677,925,376/250,400
  6. Step 6: Final answer
    x = 1,069,001.30

Related Problems

Find third proportional to 125,200 and 258,688
Half scale
Find third proportional to 500,800 and 1,034,752
Double scale
Find third proportional to 250,402 and 517,380
Similar ratio
Find third proportional to 375,600 and 776,064
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.