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Finding the Third Proportional to 313,991.44 and 673,530.19

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Solution

The third proportional to 313,991.44 and 673,530.19 is: 1,444,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,991.44 : 673,530.19 = 673,530.19 : x
  2. Step 2: Convert to fraction form
    313,991.44/673,530.19 = 673,530.19/x
  3. Step 3: Cross multiply
    313,991.44x = 673,530.19 × 673,530.19
  4. Step 4: Simplify right side
    313,991.44x = 453,642,913,473.79
  5. Step 5: Solve for x
    x = 453,642,913,473.79/313,991.44
  6. Step 6: Final answer
    x = 1,444,762.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.