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Finding the Third Proportional to 16,740 and 36,114

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Solution

The third proportional to 16,740 and 36,114 is: 77,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740 : 36,114 = 36,114 : x
  2. Step 2: Convert to fraction form
    16,740/36,114 = 36,114/x
  3. Step 3: Cross multiply
    16,740x = 36,114 × 36,114
  4. Step 4: Simplify right side
    16,740x = 1,304,220,996
  5. Step 5: Solve for x
    x = 1,304,220,996/16,740
  6. Step 6: Final answer
    x = 77,910.45

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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.