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Finding the Third Proportional to 7,009.03 and 15,331.78

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Solution

The third proportional to 7,009.03 and 15,331.78 is: 33,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.03 : 15,331.78 = 15,331.78 : x
  2. Step 2: Convert to fraction form
    7,009.03/15,331.78 = 15,331.78/x
  3. Step 3: Cross multiply
    7,009.03x = 15,331.78 × 15,331.78
  4. Step 4: Simplify right side
    7,009.03x = 235,063,516.30
  5. Step 5: Solve for x
    x = 235,063,516.30/7,009.03
  6. Step 6: Final answer
    x = 33,537.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.