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Finding the Third Proportional to 7,988 and 9,632

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Solution

The third proportional to 7,988 and 9,632 is: 11,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988 : 9,632 = 9,632 : x
  2. Step 2: Convert to fraction form
    7,988/9,632 = 9,632/x
  3. Step 3: Cross multiply
    7,988x = 9,632 × 9,632
  4. Step 4: Simplify right side
    7,988x = 92,775,424
  5. Step 5: Solve for x
    x = 92,775,424/7,988
  6. Step 6: Final answer
    x = 11,614.35

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.