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Finding the Third Proportional to 3,117 and 4,837

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Solution

The third proportional to 3,117 and 4,837 is: 7,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117 : 4,837 = 4,837 : x
  2. Step 2: Convert to fraction form
    3,117/4,837 = 4,837/x
  3. Step 3: Cross multiply
    3,117x = 4,837 × 4,837
  4. Step 4: Simplify right side
    3,117x = 23,396,569
  5. Step 5: Solve for x
    x = 23,396,569/3,117
  6. Step 6: Final answer
    x = 7,506.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.