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Finding the Third Proportional to 16,764 and 36,140

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Solution

The third proportional to 16,764 and 36,140 is: 77,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764 : 36,140 = 36,140 : x
  2. Step 2: Convert to fraction form
    16,764/36,140 = 36,140/x
  3. Step 3: Cross multiply
    16,764x = 36,140 × 36,140
  4. Step 4: Simplify right side
    16,764x = 1,306,099,600
  5. Step 5: Solve for x
    x = 1,306,099,600/16,764
  6. Step 6: Final answer
    x = 77,910.98

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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.