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Finding the Third Proportional to 7,816.50 and 15,951.38

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Solution

The third proportional to 7,816.50 and 15,951.38 is: 32,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.50 : 15,951.38 = 15,951.38 : x
  2. Step 2: Convert to fraction form
    7,816.50/15,951.38 = 15,951.38/x
  3. Step 3: Cross multiply
    7,816.50x = 15,951.38 × 15,951.38
  4. Step 4: Simplify right side
    7,816.50x = 254,446,364.39
  5. Step 5: Solve for x
    x = 254,446,364.39/7,816.50
  6. Step 6: Final answer
    x = 32,552.47

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.