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Finding the Third Proportional to 266,679 and 585,515.25

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Solution

The third proportional to 266,679 and 585,515.25 is: 1,285,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,679 : 585,515.25 = 585,515.25 : x
  2. Step 2: Convert to fraction form
    266,679/585,515.25 = 585,515.25/x
  3. Step 3: Cross multiply
    266,679x = 585,515.25 × 585,515.25
  4. Step 4: Simplify right side
    266,679x = 342,828,107,982.56
  5. Step 5: Solve for x
    x = 342,828,107,982.56/266,679
  6. Step 6: Final answer
    x = 1,285,545.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.