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Finding the Third Proportional to 16,885 and 36,742.50

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Solution

The third proportional to 16,885 and 36,742.50 is: 79,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885 : 36,742.50 = 36,742.50 : x
  2. Step 2: Convert to fraction form
    16,885/36,742.50 = 36,742.50/x
  3. Step 3: Cross multiply
    16,885x = 36,742.50 × 36,742.50
  4. Step 4: Simplify right side
    16,885x = 1,350,011,306.25
  5. Step 5: Solve for x
    x = 1,350,011,306.25/16,885
  6. Step 6: Final answer
    x = 79,953.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.