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Finding the Third Proportional to 9,860.63 and 13,286.25

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Solution

The third proportional to 9,860.63 and 13,286.25 is: 17,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.63 : 13,286.25 = 13,286.25 : x
  2. Step 2: Convert to fraction form
    9,860.63/13,286.25 = 13,286.25/x
  3. Step 3: Cross multiply
    9,860.63x = 13,286.25 × 13,286.25
  4. Step 4: Simplify right side
    9,860.63x = 176,524,439.06
  5. Step 5: Solve for x
    x = 176,524,439.06/9,860.63
  6. Step 6: Final answer
    x = 17,901.95

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.