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Finding the Third Proportional to 28,644.75 and 43,283.25

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Solution

The third proportional to 28,644.75 and 43,283.25 is: 65,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.75 : 43,283.25 = 43,283.25 : x
  2. Step 2: Convert to fraction form
    28,644.75/43,283.25 = 43,283.25/x
  3. Step 3: Cross multiply
    28,644.75x = 43,283.25 × 43,283.25
  4. Step 4: Simplify right side
    28,644.75x = 1,873,439,730.56
  5. Step 5: Solve for x
    x = 1,873,439,730.56/28,644.75
  6. Step 6: Final answer
    x = 65,402.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.