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Finding the Third Proportional to 18,042 and 38,750

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Solution

The third proportional to 18,042 and 38,750 is: 83,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042 : 38,750 = 38,750 : x
  2. Step 2: Convert to fraction form
    18,042/38,750 = 38,750/x
  3. Step 3: Cross multiply
    18,042x = 38,750 × 38,750
  4. Step 4: Simplify right side
    18,042x = 1,501,562,500
  5. Step 5: Solve for x
    x = 1,501,562,500/18,042
  6. Step 6: Final answer
    x = 83,225.95

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.