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Finding the Third Proportional to 7,816.50 and 15,924.09

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Solution

The third proportional to 7,816.50 and 15,924.09 is: 32,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.50 : 15,924.09 = 15,924.09 : x
  2. Step 2: Convert to fraction form
    7,816.50/15,924.09 = 15,924.09/x
  3. Step 3: Cross multiply
    7,816.50x = 15,924.09 × 15,924.09
  4. Step 4: Simplify right side
    7,816.50x = 253,576,761.76
  5. Step 5: Solve for x
    x = 253,576,761.76/7,816.50
  6. Step 6: Final answer
    x = 32,441.22

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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.