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Finding the Third Proportional to 90,291 and 192,244.50

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Solution

The third proportional to 90,291 and 192,244.50 is: 409,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,291 : 192,244.50 = 192,244.50 : x
  2. Step 2: Convert to fraction form
    90,291/192,244.50 = 192,244.50/x
  3. Step 3: Cross multiply
    90,291x = 192,244.50 × 192,244.50
  4. Step 4: Simplify right side
    90,291x = 36,957,947,780.25
  5. Step 5: Solve for x
    x = 36,957,947,780.25/90,291
  6. Step 6: Final answer
    x = 409,320.39

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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.