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Finding the Third Proportional to 71,331.75 and 108,902.25

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Solution

The third proportional to 71,331.75 and 108,902.25 is: 166,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331.75 : 108,902.25 = 108,902.25 : x
  2. Step 2: Convert to fraction form
    71,331.75/108,902.25 = 108,902.25/x
  3. Step 3: Cross multiply
    71,331.75x = 108,902.25 × 108,902.25
  4. Step 4: Simplify right side
    71,331.75x = 11,859,700,055.06
  5. Step 5: Solve for x
    x = 11,859,700,055.06/71,331.75
  6. Step 6: Final answer
    x = 166,261.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.