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Finding the Third Proportional to 9,137.18 and 13,837.71

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Solution

The third proportional to 9,137.18 and 13,837.71 is: 20,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.18 : 13,837.71 = 13,837.71 : x
  2. Step 2: Convert to fraction form
    9,137.18/13,837.71 = 13,837.71/x
  3. Step 3: Cross multiply
    9,137.18x = 13,837.71 × 13,837.71
  4. Step 4: Simplify right side
    9,137.18x = 191,482,243.99
  5. Step 5: Solve for x
    x = 191,482,243.99/9,137.18
  6. Step 6: Final answer
    x = 20,956.38

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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.