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Finding the Third Proportional to 902 and 928

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Solution

The third proportional to 902 and 928 is: 954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902 : 928 = 928 : x
  2. Step 2: Convert to fraction form
    902/928 = 928/x
  3. Step 3: Cross multiply
    902x = 928 × 928
  4. Step 4: Simplify right side
    902x = 861,184
  5. Step 5: Solve for x
    x = 861,184/902
  6. Step 6: Final answer
    x = 954.75

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Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.