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Finding the Third Proportional to 6,385.50 and 9,864

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Solution

The third proportional to 6,385.50 and 9,864 is: 15,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.50 : 9,864 = 9,864 : x
  2. Step 2: Convert to fraction form
    6,385.50/9,864 = 9,864/x
  3. Step 3: Cross multiply
    6,385.50x = 9,864 × 9,864
  4. Step 4: Simplify right side
    6,385.50x = 97,298,496
  5. Step 5: Solve for x
    x = 97,298,496/6,385.50
  6. Step 6: Final answer
    x = 15,237.41

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.