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Finding the Third Proportional to 69,066.75 and 109,153.13

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Solution

The third proportional to 69,066.75 and 109,153.13 is: 172,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,066.75 : 109,153.13 = 109,153.13 : x
  2. Step 2: Convert to fraction form
    69,066.75/109,153.13 = 109,153.13/x
  3. Step 3: Cross multiply
    69,066.75x = 109,153.13 × 109,153.13
  4. Step 4: Simplify right side
    69,066.75x = 11,914,404,697.27
  5. Step 5: Solve for x
    x = 11,914,404,697.27/69,066.75
  6. Step 6: Final answer
    x = 172,505.65

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.