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Finding the Third Proportional to 717.75 and 846

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Solution

The third proportional to 717.75 and 846 is: 997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    717.75 : 846 = 846 : x
  2. Step 2: Convert to fraction form
    717.75/846 = 846/x
  3. Step 3: Cross multiply
    717.75x = 846 × 846
  4. Step 4: Simplify right side
    717.75x = 715,716
  5. Step 5: Solve for x
    x = 715,716/717.75
  6. Step 6: Final answer
    x = 997.17

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.