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Finding the Third Proportional to 83,022 and 129,717.50

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Solution

The third proportional to 83,022 and 129,717.50 is: 202,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,022 : 129,717.50 = 129,717.50 : x
  2. Step 2: Convert to fraction form
    83,022/129,717.50 = 129,717.50/x
  3. Step 3: Cross multiply
    83,022x = 129,717.50 × 129,717.50
  4. Step 4: Simplify right side
    83,022x = 16,826,629,806.25
  5. Step 5: Solve for x
    x = 16,826,629,806.25/83,022
  6. Step 6: Final answer
    x = 202,676.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.