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Finding the Third Proportional to 442 and 562

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Solution

The third proportional to 442 and 562 is: 714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    442 : 562 = 562 : x
  2. Step 2: Convert to fraction form
    442/562 = 562/x
  3. Step 3: Cross multiply
    442x = 562 × 562
  4. Step 4: Simplify right side
    442x = 315,844
  5. Step 5: Solve for x
    x = 315,844/442
  6. Step 6: Final answer
    x = 714.58

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.