Home / 169,428-253,320

Finding the Third Proportional to 169,428 and 253,320

Calculator

Solution

The third proportional to 169,428 and 253,320 is: 378,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,428 : 253,320 = 253,320 : x
  2. Step 2: Convert to fraction form
    169,428/253,320 = 253,320/x
  3. Step 3: Cross multiply
    169,428x = 253,320 × 253,320
  4. Step 4: Simplify right side
    169,428x = 64,171,022,400
  5. Step 5: Solve for x
    x = 64,171,022,400/169,428
  6. Step 6: Final answer
    x = 378,750.99

Related Problems

Find third proportional to 84,714 and 126,660
Half scale
Find third proportional to 338,856 and 506,640
Double scale
Find third proportional to 169,430 and 253,323
Similar ratio
Find third proportional to 254,142 and 379,980
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.