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Finding the Third Proportional to 50,730 and 80,793

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Solution

The third proportional to 50,730 and 80,793 is: 128,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730 : 80,793 = 80,793 : x
  2. Step 2: Convert to fraction form
    50,730/80,793 = 80,793/x
  3. Step 3: Cross multiply
    50,730x = 80,793 × 80,793
  4. Step 4: Simplify right side
    50,730x = 6,527,508,849
  5. Step 5: Solve for x
    x = 6,527,508,849/50,730
  6. Step 6: Final answer
    x = 128,671.57

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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.