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Finding the Third Proportional to 16,912.59 and 36,707.20

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Solution

The third proportional to 16,912.59 and 36,707.20 is: 79,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.59 : 36,707.20 = 36,707.20 : x
  2. Step 2: Convert to fraction form
    16,912.59/36,707.20 = 36,707.20/x
  3. Step 3: Cross multiply
    16,912.59x = 36,707.20 × 36,707.20
  4. Step 4: Simplify right side
    16,912.59x = 1,347,418,761.26
  5. Step 5: Solve for x
    x = 1,347,418,761.26/16,912.59
  6. Step 6: Final answer
    x = 79,669.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.