Home / 121,044-258,705

Finding the Third Proportional to 121,044 and 258,705

Calculator

Solution

The third proportional to 121,044 and 258,705 is: 552,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,044 : 258,705 = 258,705 : x
  2. Step 2: Convert to fraction form
    121,044/258,705 = 258,705/x
  3. Step 3: Cross multiply
    121,044x = 258,705 × 258,705
  4. Step 4: Simplify right side
    121,044x = 66,928,277,025
  5. Step 5: Solve for x
    x = 66,928,277,025/121,044
  6. Step 6: Final answer
    x = 552,925.19

Related Problems

Find third proportional to 60,522 and 129,352.50
Half scale
Find third proportional to 242,088 and 517,410
Double scale
Find third proportional to 121,046 and 258,709
Similar ratio
Find third proportional to 181,566 and 388,057.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.