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Finding the Third Proportional to 348 and 464

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Solution

The third proportional to 348 and 464 is: 618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    348 : 464 = 464 : x
  2. Step 2: Convert to fraction form
    348/464 = 464/x
  3. Step 3: Cross multiply
    348x = 464 × 464
  4. Step 4: Simplify right side
    348x = 215,296
  5. Step 5: Solve for x
    x = 215,296/348
  6. Step 6: Final answer
    x = 618.67

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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.