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Finding the Third Proportional to 18,866.67 and 28,117.76

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Solution

The third proportional to 18,866.67 and 28,117.76 is: 41,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.67 : 28,117.76 = 28,117.76 : x
  2. Step 2: Convert to fraction form
    18,866.67/28,117.76 = 28,117.76/x
  3. Step 3: Cross multiply
    18,866.67x = 28,117.76 × 28,117.76
  4. Step 4: Simplify right side
    18,866.67x = 790,608,304.40
  5. Step 5: Solve for x
    x = 790,608,304.40/18,866.67
  6. Step 6: Final answer
    x = 41,905.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.