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Finding the Third Proportional to 4,420.38 and 9,532.63

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Solution

The third proportional to 4,420.38 and 9,532.63 is: 20,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.38 : 9,532.63 = 9,532.63 : x
  2. Step 2: Convert to fraction form
    4,420.38/9,532.63 = 9,532.63/x
  3. Step 3: Cross multiply
    4,420.38x = 9,532.63 × 9,532.63
  4. Step 4: Simplify right side
    4,420.38x = 90,870,939.39
  5. Step 5: Solve for x
    x = 90,870,939.39/4,420.38
  6. Step 6: Final answer
    x = 20,557.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.