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Finding the Third Proportional to 89,833.50 and 134,739

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Solution

The third proportional to 89,833.50 and 134,739 is: 202,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,833.50 : 134,739 = 134,739 : x
  2. Step 2: Convert to fraction form
    89,833.50/134,739 = 134,739/x
  3. Step 3: Cross multiply
    89,833.50x = 134,739 × 134,739
  4. Step 4: Simplify right side
    89,833.50x = 18,154,598,121
  5. Step 5: Solve for x
    x = 18,154,598,121/89,833.50
  6. Step 6: Final answer
    x = 202,091.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.