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Finding the Third Proportional to 9,403.50 and 20,427

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Solution

The third proportional to 9,403.50 and 20,427 is: 44,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.50 : 20,427 = 20,427 : x
  2. Step 2: Convert to fraction form
    9,403.50/20,427 = 20,427/x
  3. Step 3: Cross multiply
    9,403.50x = 20,427 × 20,427
  4. Step 4: Simplify right side
    9,403.50x = 417,262,329
  5. Step 5: Solve for x
    x = 417,262,329/9,403.50
  6. Step 6: Final answer
    x = 44,373.09

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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.