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Finding the Third Proportional to 260,328 and 568,392

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Solution

The third proportional to 260,328 and 568,392 is: 1,241,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,328 : 568,392 = 568,392 : x
  2. Step 2: Convert to fraction form
    260,328/568,392 = 568,392/x
  3. Step 3: Cross multiply
    260,328x = 568,392 × 568,392
  4. Step 4: Simplify right side
    260,328x = 323,069,465,664
  5. Step 5: Solve for x
    x = 323,069,465,664/260,328
  6. Step 6: Final answer
    x = 1,241,009.29

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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.