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Finding the Third Proportional to 4,674 and 12,117

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Solution

The third proportional to 4,674 and 12,117 is: 31,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674 : 12,117 = 12,117 : x
  2. Step 2: Convert to fraction form
    4,674/12,117 = 12,117/x
  3. Step 3: Cross multiply
    4,674x = 12,117 × 12,117
  4. Step 4: Simplify right side
    4,674x = 146,821,689
  5. Step 5: Solve for x
    x = 146,821,689/4,674
  6. Step 6: Final answer
    x = 31,412.43

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.