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Finding the Third Proportional to 160,558 and 250,031

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Solution

The third proportional to 160,558 and 250,031 is: 389,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,558 : 250,031 = 250,031 : x
  2. Step 2: Convert to fraction form
    160,558/250,031 = 250,031/x
  3. Step 3: Cross multiply
    160,558x = 250,031 × 250,031
  4. Step 4: Simplify right side
    160,558x = 62,515,500,961
  5. Step 5: Solve for x
    x = 62,515,500,961/160,558
  6. Step 6: Final answer
    x = 389,363.97

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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.