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Finding the Third Proportional to 38,480 and 57,394

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Solution

The third proportional to 38,480 and 57,394 is: 85,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480 : 57,394 = 57,394 : x
  2. Step 2: Convert to fraction form
    38,480/57,394 = 57,394/x
  3. Step 3: Cross multiply
    38,480x = 57,394 × 57,394
  4. Step 4: Simplify right side
    38,480x = 3,294,071,236
  5. Step 5: Solve for x
    x = 3,294,071,236/38,480
  6. Step 6: Final answer
    x = 85,604.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.