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Finding the Third Proportional to 81,549.75 and 114,841

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Solution

The third proportional to 81,549.75 and 114,841 is: 161,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,549.75 : 114,841 = 114,841 : x
  2. Step 2: Convert to fraction form
    81,549.75/114,841 = 114,841/x
  3. Step 3: Cross multiply
    81,549.75x = 114,841 × 114,841
  4. Step 4: Simplify right side
    81,549.75x = 13,188,455,281
  5. Step 5: Solve for x
    x = 13,188,455,281/81,549.75
  6. Step 6: Final answer
    x = 161,722.82

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.