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Finding the Third Proportional to 18,592.50 and 39,099

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Solution

The third proportional to 18,592.50 and 39,099 is: 82,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.50 : 39,099 = 39,099 : x
  2. Step 2: Convert to fraction form
    18,592.50/39,099 = 39,099/x
  3. Step 3: Cross multiply
    18,592.50x = 39,099 × 39,099
  4. Step 4: Simplify right side
    18,592.50x = 1,528,731,801
  5. Step 5: Solve for x
    x = 1,528,731,801/18,592.50
  6. Step 6: Final answer
    x = 82,223.04

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.