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Finding the Third Proportional to 4,320.84 and 6,616.69

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Solution

The third proportional to 4,320.84 and 6,616.69 is: 10,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.84 : 6,616.69 = 6,616.69 : x
  2. Step 2: Convert to fraction form
    4,320.84/6,616.69 = 6,616.69/x
  3. Step 3: Cross multiply
    4,320.84x = 6,616.69 × 6,616.69
  4. Step 4: Simplify right side
    4,320.84x = 43,780,553.47
  5. Step 5: Solve for x
    x = 43,780,553.47/4,320.84
  6. Step 6: Final answer
    x = 10,132.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.