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Finding the Third Proportional to 4,389.47 and 9,394.03

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Solution

The third proportional to 4,389.47 and 9,394.03 is: 20,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.47 : 9,394.03 = 9,394.03 : x
  2. Step 2: Convert to fraction form
    4,389.47/9,394.03 = 9,394.03/x
  3. Step 3: Cross multiply
    4,389.47x = 9,394.03 × 9,394.03
  4. Step 4: Simplify right side
    4,389.47x = 88,247,823.13
  5. Step 5: Solve for x
    x = 88,247,823.13/4,389.47
  6. Step 6: Final answer
    x = 20,104.44

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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.