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Finding the Third Proportional to 50,212.50 and 77,748.75

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Solution

The third proportional to 50,212.50 and 77,748.75 is: 120,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,212.50 : 77,748.75 = 77,748.75 : x
  2. Step 2: Convert to fraction form
    50,212.50/77,748.75 = 77,748.75/x
  3. Step 3: Cross multiply
    50,212.50x = 77,748.75 × 77,748.75
  4. Step 4: Simplify right side
    50,212.50x = 6,044,868,126.56
  5. Step 5: Solve for x
    x = 6,044,868,126.56/50,212.50
  6. Step 6: Final answer
    x = 120,385.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.