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Finding the Third Proportional to 314 and 806

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Solution

The third proportional to 314 and 806 is: 2,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314 : 806 = 806 : x
  2. Step 2: Convert to fraction form
    314/806 = 806/x
  3. Step 3: Cross multiply
    314x = 806 × 806
  4. Step 4: Simplify right side
    314x = 649,636
  5. Step 5: Solve for x
    x = 649,636/314
  6. Step 6: Final answer
    x = 2,068.90

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These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.