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Finding the Third Proportional to 104,331 and 156,985

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Solution

The third proportional to 104,331 and 156,985 is: 236,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,331 : 156,985 = 156,985 : x
  2. Step 2: Convert to fraction form
    104,331/156,985 = 156,985/x
  3. Step 3: Cross multiply
    104,331x = 156,985 × 156,985
  4. Step 4: Simplify right side
    104,331x = 24,644,290,225
  5. Step 5: Solve for x
    x = 24,644,290,225/104,331
  6. Step 6: Final answer
    x = 236,212.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.