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Finding the Third Proportional to 264,436 and 581,359

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Solution

The third proportional to 264,436 and 581,359 is: 1,278,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,436 : 581,359 = 581,359 : x
  2. Step 2: Convert to fraction form
    264,436/581,359 = 581,359/x
  3. Step 3: Cross multiply
    264,436x = 581,359 × 581,359
  4. Step 4: Simplify right side
    264,436x = 337,978,286,881
  5. Step 5: Solve for x
    x = 337,978,286,881/264,436
  6. Step 6: Final answer
    x = 1,278,109.97

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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.