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Finding the Third Proportional to 6,938.79 and 15,195.73

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Solution

The third proportional to 6,938.79 and 15,195.73 is: 33,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.79 : 15,195.73 = 15,195.73 : x
  2. Step 2: Convert to fraction form
    6,938.79/15,195.73 = 15,195.73/x
  3. Step 3: Cross multiply
    6,938.79x = 15,195.73 × 15,195.73
  4. Step 4: Simplify right side
    6,938.79x = 230,910,105.76
  5. Step 5: Solve for x
    x = 230,910,105.76/6,938.79
  6. Step 6: Final answer
    x = 33,278.16

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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.