Home / 115,508-172,792

Finding the Third Proportional to 115,508 and 172,792

Calculator

Solution

The third proportional to 115,508 and 172,792 is: 258,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,508 : 172,792 = 172,792 : x
  2. Step 2: Convert to fraction form
    115,508/172,792 = 172,792/x
  3. Step 3: Cross multiply
    115,508x = 172,792 × 172,792
  4. Step 4: Simplify right side
    115,508x = 29,857,075,264
  5. Step 5: Solve for x
    x = 29,857,075,264/115,508
  6. Step 6: Final answer
    x = 258,484.91

Related Problems

Find third proportional to 57,754 and 86,396
Half scale
Find third proportional to 231,016 and 345,584
Double scale
Find third proportional to 115,510 and 172,795
Similar ratio
Find third proportional to 173,262 and 259,188
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.