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Finding the Third Proportional to 7,042.57 and 16,376.13

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Solution

The third proportional to 7,042.57 and 16,376.13 is: 38,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.57 : 16,376.13 = 16,376.13 : x
  2. Step 2: Convert to fraction form
    7,042.57/16,376.13 = 16,376.13/x
  3. Step 3: Cross multiply
    7,042.57x = 16,376.13 × 16,376.13
  4. Step 4: Simplify right side
    7,042.57x = 268,177,725.89
  5. Step 5: Solve for x
    x = 268,177,725.89/7,042.57
  6. Step 6: Final answer
    x = 38,079.52

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.