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Finding the Third Proportional to 56,331 and 76,038

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Solution

The third proportional to 56,331 and 76,038 is: 102,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,331 : 76,038 = 76,038 : x
  2. Step 2: Convert to fraction form
    56,331/76,038 = 76,038/x
  3. Step 3: Cross multiply
    56,331x = 76,038 × 76,038
  4. Step 4: Simplify right side
    56,331x = 5,781,777,444
  5. Step 5: Solve for x
    x = 5,781,777,444/56,331
  6. Step 6: Final answer
    x = 102,639.35

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.