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Finding the Third Proportional to 902 and 971

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Solution

The third proportional to 902 and 971 is: 1,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    902 : 971 = 971 : x
  2. Step 2: Convert to fraction form
    902/971 = 971/x
  3. Step 3: Cross multiply
    902x = 971 × 971
  4. Step 4: Simplify right side
    902x = 942,841
  5. Step 5: Solve for x
    x = 942,841/902
  6. Step 6: Final answer
    x = 1,045.28

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.