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Finding the Third Proportional to 15,937 and 22,291

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Solution

The third proportional to 15,937 and 22,291 is: 31,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937 : 22,291 = 22,291 : x
  2. Step 2: Convert to fraction form
    15,937/22,291 = 22,291/x
  3. Step 3: Cross multiply
    15,937x = 22,291 × 22,291
  4. Step 4: Simplify right side
    15,937x = 496,888,681
  5. Step 5: Solve for x
    x = 496,888,681/15,937
  6. Step 6: Final answer
    x = 31,178.31

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.