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Finding the Third Proportional to 4,382.50 and 9,388

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Solution

The third proportional to 4,382.50 and 9,388 is: 20,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.50 : 9,388 = 9,388 : x
  2. Step 2: Convert to fraction form
    4,382.50/9,388 = 9,388/x
  3. Step 3: Cross multiply
    4,382.50x = 9,388 × 9,388
  4. Step 4: Simplify right side
    4,382.50x = 88,134,544
  5. Step 5: Solve for x
    x = 88,134,544/4,382.50
  6. Step 6: Final answer
    x = 20,110.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.