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Finding the Third Proportional to 358 and 475

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Solution

The third proportional to 358 and 475 is: 630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358 : 475 = 475 : x
  2. Step 2: Convert to fraction form
    358/475 = 475/x
  3. Step 3: Cross multiply
    358x = 475 × 475
  4. Step 4: Simplify right side
    358x = 225,625
  5. Step 5: Solve for x
    x = 225,625/358
  6. Step 6: Final answer
    x = 630.24

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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.