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Finding the Third Proportional to 7,072.88 and 15,414

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Solution

The third proportional to 7,072.88 and 15,414 is: 33,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.88 : 15,414 = 15,414 : x
  2. Step 2: Convert to fraction form
    7,072.88/15,414 = 15,414/x
  3. Step 3: Cross multiply
    7,072.88x = 15,414 × 15,414
  4. Step 4: Simplify right side
    7,072.88x = 237,591,396
  5. Step 5: Solve for x
    x = 237,591,396/7,072.88
  6. Step 6: Final answer
    x = 33,591.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.