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Finding the Third Proportional to 23,721 and 51,117

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Solution

The third proportional to 23,721 and 51,117 is: 110,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721 : 51,117 = 51,117 : x
  2. Step 2: Convert to fraction form
    23,721/51,117 = 51,117/x
  3. Step 3: Cross multiply
    23,721x = 51,117 × 51,117
  4. Step 4: Simplify right side
    23,721x = 2,612,947,689
  5. Step 5: Solve for x
    x = 2,612,947,689/23,721
  6. Step 6: Final answer
    x = 110,153.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.