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Finding the Third Proportional to 4,113 and 6,078.38

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Solution

The third proportional to 4,113 and 6,078.38 is: 8,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113 : 6,078.38 = 6,078.38 : x
  2. Step 2: Convert to fraction form
    4,113/6,078.38 = 6,078.38/x
  3. Step 3: Cross multiply
    4,113x = 6,078.38 × 6,078.38
  4. Step 4: Simplify right side
    4,113x = 36,946,642.64
  5. Step 5: Solve for x
    x = 36,946,642.64/4,113
  6. Step 6: Final answer
    x = 8,982.89

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.