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Finding the Third Proportional to 195,921 and 293,121.75

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Solution

The third proportional to 195,921 and 293,121.75 is: 438,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,921 : 293,121.75 = 293,121.75 : x
  2. Step 2: Convert to fraction form
    195,921/293,121.75 = 293,121.75/x
  3. Step 3: Cross multiply
    195,921x = 293,121.75 × 293,121.75
  4. Step 4: Simplify right side
    195,921x = 85,920,360,323.06
  5. Step 5: Solve for x
    x = 85,920,360,323.06/195,921
  6. Step 6: Final answer
    x = 438,545.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.