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Finding the Third Proportional to 92,378.50 and 198,569

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Solution

The third proportional to 92,378.50 and 198,569 is: 426,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,378.50 : 198,569 = 198,569 : x
  2. Step 2: Convert to fraction form
    92,378.50/198,569 = 198,569/x
  3. Step 3: Cross multiply
    92,378.50x = 198,569 × 198,569
  4. Step 4: Simplify right side
    92,378.50x = 39,429,647,761
  5. Step 5: Solve for x
    x = 39,429,647,761/92,378.50
  6. Step 6: Final answer
    x = 426,827.11

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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.