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Finding the Third Proportional to 15,396 and 22,818

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Solution

The third proportional to 15,396 and 22,818 is: 33,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396 : 22,818 = 22,818 : x
  2. Step 2: Convert to fraction form
    15,396/22,818 = 22,818/x
  3. Step 3: Cross multiply
    15,396x = 22,818 × 22,818
  4. Step 4: Simplify right side
    15,396x = 520,661,124
  5. Step 5: Solve for x
    x = 520,661,124/15,396
  6. Step 6: Final answer
    x = 33,817.95

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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.