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Finding the Third Proportional to 7,748.50 and 15,906

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Solution

The third proportional to 7,748.50 and 15,906 is: 32,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.50 : 15,906 = 15,906 : x
  2. Step 2: Convert to fraction form
    7,748.50/15,906 = 15,906/x
  3. Step 3: Cross multiply
    7,748.50x = 15,906 × 15,906
  4. Step 4: Simplify right side
    7,748.50x = 253,000,836
  5. Step 5: Solve for x
    x = 253,000,836/7,748.50
  6. Step 6: Final answer
    x = 32,651.59

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.