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Finding the Third Proportional to 242.25 and 462

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Solution

The third proportional to 242.25 and 462 is: 881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.25 : 462 = 462 : x
  2. Step 2: Convert to fraction form
    242.25/462 = 462/x
  3. Step 3: Cross multiply
    242.25x = 462 × 462
  4. Step 4: Simplify right side
    242.25x = 213,444
  5. Step 5: Solve for x
    x = 213,444/242.25
  6. Step 6: Final answer
    x = 881.09

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.