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Finding the Third Proportional to 38,423 and 57,077

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Solution

The third proportional to 38,423 and 57,077 is: 84,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423 : 57,077 = 57,077 : x
  2. Step 2: Convert to fraction form
    38,423/57,077 = 57,077/x
  3. Step 3: Cross multiply
    38,423x = 57,077 × 57,077
  4. Step 4: Simplify right side
    38,423x = 3,257,783,929
  5. Step 5: Solve for x
    x = 3,257,783,929/38,423
  6. Step 6: Final answer
    x = 84,787.34

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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.