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Finding the Third Proportional to 15,872 and 37,603

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Solution

The third proportional to 15,872 and 37,603 is: 89,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872 : 37,603 = 37,603 : x
  2. Step 2: Convert to fraction form
    15,872/37,603 = 37,603/x
  3. Step 3: Cross multiply
    15,872x = 37,603 × 37,603
  4. Step 4: Simplify right side
    15,872x = 1,413,985,609
  5. Step 5: Solve for x
    x = 1,413,985,609/15,872
  6. Step 6: Final answer
    x = 89,086.79

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.