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Finding the Third Proportional to 266,213 and 581,552

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Solution

The third proportional to 266,213 and 581,552 is: 1,270,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,213 : 581,552 = 581,552 : x
  2. Step 2: Convert to fraction form
    266,213/581,552 = 581,552/x
  3. Step 3: Cross multiply
    266,213x = 581,552 × 581,552
  4. Step 4: Simplify right side
    266,213x = 338,202,728,704
  5. Step 5: Solve for x
    x = 338,202,728,704/266,213
  6. Step 6: Final answer
    x = 1,270,421.54

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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.