Home / 115,448-172,708

Finding the Third Proportional to 115,448 and 172,708

Calculator

Solution

The third proportional to 115,448 and 172,708 is: 258,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,448 : 172,708 = 172,708 : x
  2. Step 2: Convert to fraction form
    115,448/172,708 = 172,708/x
  3. Step 3: Cross multiply
    115,448x = 172,708 × 172,708
  4. Step 4: Simplify right side
    115,448x = 29,828,053,264
  5. Step 5: Solve for x
    x = 29,828,053,264/115,448
  6. Step 6: Final answer
    x = 258,367.86

Related Problems

Find third proportional to 57,724 and 86,354
Half scale
Find third proportional to 230,896 and 345,416
Double scale
Find third proportional to 115,450 and 172,711
Similar ratio
Find third proportional to 173,172 and 259,062
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.