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Finding the Third Proportional to 262,016 and 561,388

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Solution

The third proportional to 262,016 and 561,388 is: 1,202,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,016 : 561,388 = 561,388 : x
  2. Step 2: Convert to fraction form
    262,016/561,388 = 561,388/x
  3. Step 3: Cross multiply
    262,016x = 561,388 × 561,388
  4. Step 4: Simplify right side
    262,016x = 315,156,486,544
  5. Step 5: Solve for x
    x = 315,156,486,544/262,016
  6. Step 6: Final answer
    x = 1,202,813.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.