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Finding the Third Proportional to 158 and 364

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Solution

The third proportional to 158 and 364 is: 838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158 : 364 = 364 : x
  2. Step 2: Convert to fraction form
    158/364 = 364/x
  3. Step 3: Cross multiply
    158x = 364 × 364
  4. Step 4: Simplify right side
    158x = 132,496
  5. Step 5: Solve for x
    x = 132,496/158
  6. Step 6: Final answer
    x = 838.58

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.