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Finding the Third Proportional to 10,550 and 15,850

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Solution

The third proportional to 10,550 and 15,850 is: 23,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550 : 15,850 = 15,850 : x
  2. Step 2: Convert to fraction form
    10,550/15,850 = 15,850/x
  3. Step 3: Cross multiply
    10,550x = 15,850 × 15,850
  4. Step 4: Simplify right side
    10,550x = 251,222,500
  5. Step 5: Solve for x
    x = 251,222,500/10,550
  6. Step 6: Final answer
    x = 23,812.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.