Home / 253,598-392,460

Finding the Third Proportional to 253,598 and 392,460

Calculator

Solution

The third proportional to 253,598 and 392,460 is: 607,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,598 : 392,460 = 392,460 : x
  2. Step 2: Convert to fraction form
    253,598/392,460 = 392,460/x
  3. Step 3: Cross multiply
    253,598x = 392,460 × 392,460
  4. Step 4: Simplify right side
    253,598x = 154,024,851,600
  5. Step 5: Solve for x
    x = 154,024,851,600/253,598
  6. Step 6: Final answer
    x = 607,358.31

Related Problems

Find third proportional to 126,799 and 196,230
Half scale
Find third proportional to 507,196 and 784,920
Double scale
Find third proportional to 253,600 and 392,463
Similar ratio
Find third proportional to 380,397 and 588,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.