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Finding the Third Proportional to 352 and 470

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Solution

The third proportional to 352 and 470 is: 627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352 : 470 = 470 : x
  2. Step 2: Convert to fraction form
    352/470 = 470/x
  3. Step 3: Cross multiply
    352x = 470 × 470
  4. Step 4: Simplify right side
    352x = 220,900
  5. Step 5: Solve for x
    x = 220,900/352
  6. Step 6: Final answer
    x = 627.56

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.