Home / 191,020-258,502

Finding the Third Proportional to 191,020 and 258,502

Calculator

Solution

The third proportional to 191,020 and 258,502 is: 349,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,020 : 258,502 = 258,502 : x
  2. Step 2: Convert to fraction form
    191,020/258,502 = 258,502/x
  3. Step 3: Cross multiply
    191,020x = 258,502 × 258,502
  4. Step 4: Simplify right side
    191,020x = 66,823,284,004
  5. Step 5: Solve for x
    x = 66,823,284,004/191,020
  6. Step 6: Final answer
    x = 349,823.49

Related Problems

Find third proportional to 95,510 and 129,251
Half scale
Find third proportional to 382,040 and 517,004
Double scale
Find third proportional to 191,022 and 258,505
Similar ratio
Find third proportional to 286,530 and 387,753
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.