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Finding the Third Proportional to 7,229.75 and 10,702.75

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Solution

The third proportional to 7,229.75 and 10,702.75 is: 15,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.75 : 10,702.75 = 10,702.75 : x
  2. Step 2: Convert to fraction form
    7,229.75/10,702.75 = 10,702.75/x
  3. Step 3: Cross multiply
    7,229.75x = 10,702.75 × 10,702.75
  4. Step 4: Simplify right side
    7,229.75x = 114,548,857.56
  5. Step 5: Solve for x
    x = 114,548,857.56/7,229.75
  6. Step 6: Final answer
    x = 15,844.10

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.