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Finding the Third Proportional to 266,716 and 581,366

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Solution

The third proportional to 266,716 and 581,366 is: 1,267,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,716 : 581,366 = 581,366 : x
  2. Step 2: Convert to fraction form
    266,716/581,366 = 581,366/x
  3. Step 3: Cross multiply
    266,716x = 581,366 × 581,366
  4. Step 4: Simplify right side
    266,716x = 337,986,425,956
  5. Step 5: Solve for x
    x = 337,986,425,956/266,716
  6. Step 6: Final answer
    x = 1,267,214.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.