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Finding the Third Proportional to 19,179 and 41,685.75

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Solution

The third proportional to 19,179 and 41,685.75 is: 90,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179 : 41,685.75 = 41,685.75 : x
  2. Step 2: Convert to fraction form
    19,179/41,685.75 = 41,685.75/x
  3. Step 3: Cross multiply
    19,179x = 41,685.75 × 41,685.75
  4. Step 4: Simplify right side
    19,179x = 1,737,701,753.06
  5. Step 5: Solve for x
    x = 1,737,701,753.06/19,179
  6. Step 6: Final answer
    x = 90,604.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.