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Finding the Third Proportional to 9,137.81 and 13,753.13

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Solution

The third proportional to 9,137.81 and 13,753.13 is: 20,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.81 : 13,753.13 = 13,753.13 : x
  2. Step 2: Convert to fraction form
    9,137.81/13,753.13 = 13,753.13/x
  3. Step 3: Cross multiply
    9,137.81x = 13,753.13 × 13,753.13
  4. Step 4: Simplify right side
    9,137.81x = 189,148,447.27
  5. Step 5: Solve for x
    x = 189,148,447.27/9,137.81
  6. Step 6: Final answer
    x = 20,699.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.