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Finding the Third Proportional to 4,437 and 9,479

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Solution

The third proportional to 4,437 and 9,479 is: 20,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437 : 9,479 = 9,479 : x
  2. Step 2: Convert to fraction form
    4,437/9,479 = 9,479/x
  3. Step 3: Cross multiply
    4,437x = 9,479 × 9,479
  4. Step 4: Simplify right side
    4,437x = 89,851,441
  5. Step 5: Solve for x
    x = 89,851,441/4,437
  6. Step 6: Final answer
    x = 20,250.49

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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.