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Finding the Third Proportional to 28,228.50 and 43,734.94

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Solution

The third proportional to 28,228.50 and 43,734.94 is: 67,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.50 : 43,734.94 = 43,734.94 : x
  2. Step 2: Convert to fraction form
    28,228.50/43,734.94 = 43,734.94/x
  3. Step 3: Cross multiply
    28,228.50x = 43,734.94 × 43,734.94
  4. Step 4: Simplify right side
    28,228.50x = 1,912,744,758.13
  5. Step 5: Solve for x
    x = 1,912,744,758.13/28,228.50
  6. Step 6: Final answer
    x = 67,759.35

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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.