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Finding the Third Proportional to 50,339 and 79,972.50

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Solution

The third proportional to 50,339 and 79,972.50 is: 127,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,339 : 79,972.50 = 79,972.50 : x
  2. Step 2: Convert to fraction form
    50,339/79,972.50 = 79,972.50/x
  3. Step 3: Cross multiply
    50,339x = 79,972.50 × 79,972.50
  4. Step 4: Simplify right side
    50,339x = 6,395,600,756.25
  5. Step 5: Solve for x
    x = 6,395,600,756.25/50,339
  6. Step 6: Final answer
    x = 127,050.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.