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Finding the Third Proportional to 148 and 382

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Solution

The third proportional to 148 and 382 is: 985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148 : 382 = 382 : x
  2. Step 2: Convert to fraction form
    148/382 = 382/x
  3. Step 3: Cross multiply
    148x = 382 × 382
  4. Step 4: Simplify right side
    148x = 145,924
  5. Step 5: Solve for x
    x = 145,924/148
  6. Step 6: Final answer
    x = 985.97

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Why These Related Problems?

These problems maintain the same ratio (2.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.