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Finding the Third Proportional to 18,829.50 and 40,577.25

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Solution

The third proportional to 18,829.50 and 40,577.25 is: 87,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.50 : 40,577.25 = 40,577.25 : x
  2. Step 2: Convert to fraction form
    18,829.50/40,577.25 = 40,577.25/x
  3. Step 3: Cross multiply
    18,829.50x = 40,577.25 × 40,577.25
  4. Step 4: Simplify right side
    18,829.50x = 1,646,513,217.56
  5. Step 5: Solve for x
    x = 1,646,513,217.56/18,829.50
  6. Step 6: Final answer
    x = 87,443.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.