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Finding the Third Proportional to 978,668.50 and 2,149,793

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Solution

The third proportional to 978,668.50 and 2,149,793 is: 4,722,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,668.50 : 2,149,793 = 2,149,793 : x
  2. Step 2: Convert to fraction form
    978,668.50/2,149,793 = 2,149,793/x
  3. Step 3: Cross multiply
    978,668.50x = 2,149,793 × 2,149,793
  4. Step 4: Simplify right side
    978,668.50x = 4,621,609,942,849
  5. Step 5: Solve for x
    x = 4,621,609,942,849/978,668.50
  6. Step 6: Final answer
    x = 4,722,344.64

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.