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Finding the Third Proportional to 6,078.38 and 8,960.63

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Solution

The third proportional to 6,078.38 and 8,960.63 is: 13,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.38 : 8,960.63 = 8,960.63 : x
  2. Step 2: Convert to fraction form
    6,078.38/8,960.63 = 8,960.63/x
  3. Step 3: Cross multiply
    6,078.38x = 8,960.63 × 8,960.63
  4. Step 4: Simplify right side
    6,078.38x = 80,292,800.39
  5. Step 5: Solve for x
    x = 80,292,800.39/6,078.38
  6. Step 6: Final answer
    x = 13,209.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.