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Finding the Third Proportional to 18,550.50 and 40,603.50

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Solution

The third proportional to 18,550.50 and 40,603.50 is: 88,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.50 : 40,603.50 = 40,603.50 : x
  2. Step 2: Convert to fraction form
    18,550.50/40,603.50 = 40,603.50/x
  3. Step 3: Cross multiply
    18,550.50x = 40,603.50 × 40,603.50
  4. Step 4: Simplify right side
    18,550.50x = 1,648,644,212.25
  5. Step 5: Solve for x
    x = 1,648,644,212.25/18,550.50
  6. Step 6: Final answer
    x = 88,873.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.