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Finding the Third Proportional to 2,473.50 and 5,379

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Solution

The third proportional to 2,473.50 and 5,379 is: 11,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.50 : 5,379 = 5,379 : x
  2. Step 2: Convert to fraction form
    2,473.50/5,379 = 5,379/x
  3. Step 3: Cross multiply
    2,473.50x = 5,379 × 5,379
  4. Step 4: Simplify right side
    2,473.50x = 28,933,641
  5. Step 5: Solve for x
    x = 28,933,641/2,473.50
  6. Step 6: Final answer
    x = 11,697.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.