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Finding the Third Proportional to 18,000.75 and 26,929.13

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Solution

The third proportional to 18,000.75 and 26,929.13 is: 40,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.75 : 26,929.13 = 26,929.13 : x
  2. Step 2: Convert to fraction form
    18,000.75/26,929.13 = 26,929.13/x
  3. Step 3: Cross multiply
    18,000.75x = 26,929.13 × 26,929.13
  4. Step 4: Simplify right side
    18,000.75x = 725,177,773.27
  5. Step 5: Solve for x
    x = 725,177,773.27/18,000.75
  6. Step 6: Final answer
    x = 40,285.98

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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.