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Finding the Third Proportional to 15,719 and 22,348

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Solution

The third proportional to 15,719 and 22,348 is: 31,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719 : 22,348 = 22,348 : x
  2. Step 2: Convert to fraction form
    15,719/22,348 = 22,348/x
  3. Step 3: Cross multiply
    15,719x = 22,348 × 22,348
  4. Step 4: Simplify right side
    15,719x = 499,433,104
  5. Step 5: Solve for x
    x = 499,433,104/15,719
  6. Step 6: Final answer
    x = 31,772.57

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.