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Finding the Third Proportional to 15,076.13 and 18,073.13

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Solution

The third proportional to 15,076.13 and 18,073.13 is: 21,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.13 : 18,073.13 = 18,073.13 : x
  2. Step 2: Convert to fraction form
    15,076.13/18,073.13 = 18,073.13/x
  3. Step 3: Cross multiply
    15,076.13x = 18,073.13 × 18,073.13
  4. Step 4: Simplify right side
    15,076.13x = 326,637,847.27
  5. Step 5: Solve for x
    x = 326,637,847.27/15,076.13
  6. Step 6: Final answer
    x = 21,665.90

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.