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Finding the Third Proportional to 2,914.81 and 4,396.63

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Solution

The third proportional to 2,914.81 and 4,396.63 is: 6,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.81 : 4,396.63 = 4,396.63 : x
  2. Step 2: Convert to fraction form
    2,914.81/4,396.63 = 4,396.63/x
  3. Step 3: Cross multiply
    2,914.81x = 4,396.63 × 4,396.63
  4. Step 4: Simplify right side
    2,914.81x = 19,330,311.39
  5. Step 5: Solve for x
    x = 19,330,311.39/2,914.81
  6. Step 6: Final answer
    x = 6,631.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.