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Finding the Third Proportional to 15,886.50 and 22,317

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Solution

The third proportional to 15,886.50 and 22,317 is: 31,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.50 : 22,317 = 22,317 : x
  2. Step 2: Convert to fraction form
    15,886.50/22,317 = 22,317/x
  3. Step 3: Cross multiply
    15,886.50x = 22,317 × 22,317
  4. Step 4: Simplify right side
    15,886.50x = 498,048,489
  5. Step 5: Solve for x
    x = 498,048,489/15,886.50
  6. Step 6: Final answer
    x = 31,350.42

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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.