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Finding the Third Proportional to 9,930.09 and 15,481.13

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Solution

The third proportional to 9,930.09 and 15,481.13 is: 24,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.09 : 15,481.13 = 15,481.13 : x
  2. Step 2: Convert to fraction form
    9,930.09/15,481.13 = 15,481.13/x
  3. Step 3: Cross multiply
    9,930.09x = 15,481.13 × 15,481.13
  4. Step 4: Simplify right side
    9,930.09x = 239,665,231.27
  5. Step 5: Solve for x
    x = 239,665,231.27/9,930.09
  6. Step 6: Final answer
    x = 24,135.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.