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Finding the Third Proportional to 262 and 469

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Solution

The third proportional to 262 and 469 is: 839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262 : 469 = 469 : x
  2. Step 2: Convert to fraction form
    262/469 = 469/x
  3. Step 3: Cross multiply
    262x = 469 × 469
  4. Step 4: Simplify right side
    262x = 219,961
  5. Step 5: Solve for x
    x = 219,961/262
  6. Step 6: Final answer
    x = 839.55

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.