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Finding the Third Proportional to 296,545.50 and 617,667

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Solution

The third proportional to 296,545.50 and 617,667 is: 1,286,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,545.50 : 617,667 = 617,667 : x
  2. Step 2: Convert to fraction form
    296,545.50/617,667 = 617,667/x
  3. Step 3: Cross multiply
    296,545.50x = 617,667 × 617,667
  4. Step 4: Simplify right side
    296,545.50x = 381,512,522,889
  5. Step 5: Solve for x
    x = 381,512,522,889/296,545.50
  6. Step 6: Final answer
    x = 1,286,522.72

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.