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Finding the Third Proportional to 3,702.38 and 8,019.75

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Solution

The third proportional to 3,702.38 and 8,019.75 is: 17,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.38 : 8,019.75 = 8,019.75 : x
  2. Step 2: Convert to fraction form
    3,702.38/8,019.75 = 8,019.75/x
  3. Step 3: Cross multiply
    3,702.38x = 8,019.75 × 8,019.75
  4. Step 4: Simplify right side
    3,702.38x = 64,316,390.06
  5. Step 5: Solve for x
    x = 64,316,390.06/3,702.38
  6. Step 6: Final answer
    x = 17,371.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.