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Finding the Third Proportional to 38,494 and 85,732

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Solution

The third proportional to 38,494 and 85,732 is: 190,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494 : 85,732 = 85,732 : x
  2. Step 2: Convert to fraction form
    38,494/85,732 = 85,732/x
  3. Step 3: Cross multiply
    38,494x = 85,732 × 85,732
  4. Step 4: Simplify right side
    38,494x = 7,349,975,824
  5. Step 5: Solve for x
    x = 7,349,975,824/38,494
  6. Step 6: Final answer
    x = 190,938.22

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.