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Finding the Third Proportional to 85,184 and 133,649

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Solution

The third proportional to 85,184 and 133,649 is: 209,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,184 : 133,649 = 133,649 : x
  2. Step 2: Convert to fraction form
    85,184/133,649 = 133,649/x
  3. Step 3: Cross multiply
    85,184x = 133,649 × 133,649
  4. Step 4: Simplify right side
    85,184x = 17,862,055,201
  5. Step 5: Solve for x
    x = 17,862,055,201/85,184
  6. Step 6: Final answer
    x = 209,687.91

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.