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Finding the Third Proportional to 18,116.75 and 28,634.25

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Solution

The third proportional to 18,116.75 and 28,634.25 is: 45,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.75 : 28,634.25 = 28,634.25 : x
  2. Step 2: Convert to fraction form
    18,116.75/28,634.25 = 28,634.25/x
  3. Step 3: Cross multiply
    18,116.75x = 28,634.25 × 28,634.25
  4. Step 4: Simplify right side
    18,116.75x = 819,920,273.06
  5. Step 5: Solve for x
    x = 819,920,273.06/18,116.75
  6. Step 6: Final answer
    x = 45,257.58

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.