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Finding the Third Proportional to 716.91 and 1,462.78

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Solution

The third proportional to 716.91 and 1,462.78 is: 2,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.91 : 1,462.78 = 1,462.78 : x
  2. Step 2: Convert to fraction form
    716.91/1,462.78 = 1,462.78/x
  3. Step 3: Cross multiply
    716.91x = 1,462.78 × 1,462.78
  4. Step 4: Simplify right side
    716.91x = 2,139,728.99
  5. Step 5: Solve for x
    x = 2,139,728.99/716.91
  6. Step 6: Final answer
    x = 2,984.67

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.