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Finding the Third Proportional to 7,864 and 19,552

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Solution

The third proportional to 7,864 and 19,552 is: 48,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864 : 19,552 = 19,552 : x
  2. Step 2: Convert to fraction form
    7,864/19,552 = 19,552/x
  3. Step 3: Cross multiply
    7,864x = 19,552 × 19,552
  4. Step 4: Simplify right side
    7,864x = 382,280,704
  5. Step 5: Solve for x
    x = 382,280,704/7,864
  6. Step 6: Final answer
    x = 48,611.48

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.