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Finding the Third Proportional to 52,514 and 78,771

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Solution

The third proportional to 52,514 and 78,771 is: 118,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,514 : 78,771 = 78,771 : x
  2. Step 2: Convert to fraction form
    52,514/78,771 = 78,771/x
  3. Step 3: Cross multiply
    52,514x = 78,771 × 78,771
  4. Step 4: Simplify right side
    52,514x = 6,204,870,441
  5. Step 5: Solve for x
    x = 6,204,870,441/52,514
  6. Step 6: Final answer
    x = 118,156.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.