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Finding the Third Proportional to 716.75 and 971

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Solution

The third proportional to 716.75 and 971 is: 1,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.75 : 971 = 971 : x
  2. Step 2: Convert to fraction form
    716.75/971 = 971/x
  3. Step 3: Cross multiply
    716.75x = 971 × 971
  4. Step 4: Simplify right side
    716.75x = 942,841
  5. Step 5: Solve for x
    x = 942,841/716.75
  6. Step 6: Final answer
    x = 1,315.44

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.