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Finding the Third Proportional to 34,515 and 73,948

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Solution

The third proportional to 34,515 and 73,948 is: 158,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515 : 73,948 = 73,948 : x
  2. Step 2: Convert to fraction form
    34,515/73,948 = 73,948/x
  3. Step 3: Cross multiply
    34,515x = 73,948 × 73,948
  4. Step 4: Simplify right side
    34,515x = 5,468,306,704
  5. Step 5: Solve for x
    x = 5,468,306,704/34,515
  6. Step 6: Final answer
    x = 158,432.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.