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Finding the Third Proportional to 4,493 and 5,309

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Solution

The third proportional to 4,493 and 5,309 is: 6,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493 : 5,309 = 5,309 : x
  2. Step 2: Convert to fraction form
    4,493/5,309 = 5,309/x
  3. Step 3: Cross multiply
    4,493x = 5,309 × 5,309
  4. Step 4: Simplify right side
    4,493x = 28,185,481
  5. Step 5: Solve for x
    x = 28,185,481/4,493
  6. Step 6: Final answer
    x = 6,273.20

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.