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Finding the Third Proportional to 15,331.78 and 24,505.03

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Solution

The third proportional to 15,331.78 and 24,505.03 is: 39,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.78 : 24,505.03 = 24,505.03 : x
  2. Step 2: Convert to fraction form
    15,331.78/24,505.03 = 24,505.03/x
  3. Step 3: Cross multiply
    15,331.78x = 24,505.03 × 24,505.03
  4. Step 4: Simplify right side
    15,331.78x = 600,496,556.56
  5. Step 5: Solve for x
    x = 600,496,556.56/15,331.78
  6. Step 6: Final answer
    x = 39,166.78

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.