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Finding the Third Proportional to 71,331 and 153,948

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Solution

The third proportional to 71,331 and 153,948 is: 332,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331 : 153,948 = 153,948 : x
  2. Step 2: Convert to fraction form
    71,331/153,948 = 153,948/x
  3. Step 3: Cross multiply
    71,331x = 153,948 × 153,948
  4. Step 4: Simplify right side
    71,331x = 23,699,986,704
  5. Step 5: Solve for x
    x = 23,699,986,704/71,331
  6. Step 6: Final answer
    x = 332,253.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.