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Finding the Third Proportional to 50,769 and 77,125.50

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Solution

The third proportional to 50,769 and 77,125.50 is: 117,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,769 : 77,125.50 = 77,125.50 : x
  2. Step 2: Convert to fraction form
    50,769/77,125.50 = 77,125.50/x
  3. Step 3: Cross multiply
    50,769x = 77,125.50 × 77,125.50
  4. Step 4: Simplify right side
    50,769x = 5,948,342,750.25
  5. Step 5: Solve for x
    x = 5,948,342,750.25/50,769
  6. Step 6: Final answer
    x = 117,164.86

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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.