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Finding the Third Proportional to 136,090 and 291,866

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Solution

The third proportional to 136,090 and 291,866 is: 625,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,090 : 291,866 = 291,866 : x
  2. Step 2: Convert to fraction form
    136,090/291,866 = 291,866/x
  3. Step 3: Cross multiply
    136,090x = 291,866 × 291,866
  4. Step 4: Simplify right side
    136,090x = 85,185,761,956
  5. Step 5: Solve for x
    x = 85,185,761,956/136,090
  6. Step 6: Final answer
    x = 625,951.66

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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.