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Finding the Third Proportional to 74,863.50 and 112,599

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Solution

The third proportional to 74,863.50 and 112,599 is: 169,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,863.50 : 112,599 = 112,599 : x
  2. Step 2: Convert to fraction form
    74,863.50/112,599 = 112,599/x
  3. Step 3: Cross multiply
    74,863.50x = 112,599 × 112,599
  4. Step 4: Simplify right side
    74,863.50x = 12,678,534,801
  5. Step 5: Solve for x
    x = 12,678,534,801/74,863.50
  6. Step 6: Final answer
    x = 169,355.36

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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.