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Finding the Third Proportional to 16,427 and 38,471

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Solution

The third proportional to 16,427 and 38,471 is: 90,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,427 : 38,471 = 38,471 : x
  2. Step 2: Convert to fraction form
    16,427/38,471 = 38,471/x
  3. Step 3: Cross multiply
    16,427x = 38,471 × 38,471
  4. Step 4: Simplify right side
    16,427x = 1,480,017,841
  5. Step 5: Solve for x
    x = 1,480,017,841/16,427
  6. Step 6: Final answer
    x = 90,096.66

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.