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Finding the Third Proportional to 263,421 and 568,960

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Solution

The third proportional to 263,421 and 568,960 is: 1,228,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,421 : 568,960 = 568,960 : x
  2. Step 2: Convert to fraction form
    263,421/568,960 = 568,960/x
  3. Step 3: Cross multiply
    263,421x = 568,960 × 568,960
  4. Step 4: Simplify right side
    263,421x = 323,715,481,600
  5. Step 5: Solve for x
    x = 323,715,481,600/263,421
  6. Step 6: Final answer
    x = 1,228,890.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.