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Finding the Third Proportional to 4,479 and 9,735.38

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Solution

The third proportional to 4,479 and 9,735.38 is: 21,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479 : 9,735.38 = 9,735.38 : x
  2. Step 2: Convert to fraction form
    4,479/9,735.38 = 9,735.38/x
  3. Step 3: Cross multiply
    4,479x = 9,735.38 × 9,735.38
  4. Step 4: Simplify right side
    4,479x = 94,777,526.39
  5. Step 5: Solve for x
    x = 94,777,526.39/4,479
  6. Step 6: Final answer
    x = 21,160.42

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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.