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Finding the Third Proportional to 348.75 and 465

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Solution

The third proportional to 348.75 and 465 is: 620

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.75 : 465 = 465 : x
  2. Step 2: Convert to fraction form
    348.75/465 = 465/x
  3. Step 3: Cross multiply
    348.75x = 465 × 465
  4. Step 4: Simplify right side
    348.75x = 216,225
  5. Step 5: Solve for x
    x = 216,225/348.75
  6. Step 6: Final answer
    x = 620

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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.