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Finding the Third Proportional to 61,234.50 and 92,775

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Solution

The third proportional to 61,234.50 and 92,775 is: 140,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,234.50 : 92,775 = 92,775 : x
  2. Step 2: Convert to fraction form
    61,234.50/92,775 = 92,775/x
  3. Step 3: Cross multiply
    61,234.50x = 92,775 × 92,775
  4. Step 4: Simplify right side
    61,234.50x = 8,607,200,625
  5. Step 5: Solve for x
    x = 8,607,200,625/61,234.50
  6. Step 6: Final answer
    x = 140,561.30

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.