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Finding the Third Proportional to 18,400.50 and 39,250.50

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Solution

The third proportional to 18,400.50 and 39,250.50 is: 83,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.50 : 39,250.50 = 39,250.50 : x
  2. Step 2: Convert to fraction form
    18,400.50/39,250.50 = 39,250.50/x
  3. Step 3: Cross multiply
    18,400.50x = 39,250.50 × 39,250.50
  4. Step 4: Simplify right side
    18,400.50x = 1,540,601,750.25
  5. Step 5: Solve for x
    x = 1,540,601,750.25/18,400.50
  6. Step 6: Final answer
    x = 83,726.08

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.