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Finding the Third Proportional to 5,479 and 7,753

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Solution

The third proportional to 5,479 and 7,753 is: 10,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479 : 7,753 = 7,753 : x
  2. Step 2: Convert to fraction form
    5,479/7,753 = 7,753/x
  3. Step 3: Cross multiply
    5,479x = 7,753 × 7,753
  4. Step 4: Simplify right side
    5,479x = 60,109,009
  5. Step 5: Solve for x
    x = 60,109,009/5,479
  6. Step 6: Final answer
    x = 10,970.80

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.