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Finding the Third Proportional to 154.75 and 202

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Solution

The third proportional to 154.75 and 202 is: 263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.75 : 202 = 202 : x
  2. Step 2: Convert to fraction form
    154.75/202 = 202/x
  3. Step 3: Cross multiply
    154.75x = 202 × 202
  4. Step 4: Simplify right side
    154.75x = 40,804
  5. Step 5: Solve for x
    x = 40,804/154.75
  6. Step 6: Final answer
    x = 263.68

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.