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Finding the Third Proportional to 88,866.38 and 136,269

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Solution

The third proportional to 88,866.38 and 136,269 is: 208,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,866.38 : 136,269 = 136,269 : x
  2. Step 2: Convert to fraction form
    88,866.38/136,269 = 136,269/x
  3. Step 3: Cross multiply
    88,866.38x = 136,269 × 136,269
  4. Step 4: Simplify right side
    88,866.38x = 18,569,240,361
  5. Step 5: Solve for x
    x = 18,569,240,361/88,866.38
  6. Step 6: Final answer
    x = 208,956.88

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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.