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Finding the Third Proportional to 20,071 and 31,255.38

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Solution

The third proportional to 20,071 and 31,255.38 is: 48,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071 : 31,255.38 = 31,255.38 : x
  2. Step 2: Convert to fraction form
    20,071/31,255.38 = 31,255.38/x
  3. Step 3: Cross multiply
    20,071x = 31,255.38 × 31,255.38
  4. Step 4: Simplify right side
    20,071x = 976,898,466.39
  5. Step 5: Solve for x
    x = 976,898,466.39/20,071
  6. Step 6: Final answer
    x = 48,672.14

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.