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Finding the Third Proportional to 306,550.50 and 673,585.13

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Solution

The third proportional to 306,550.50 and 673,585.13 is: 1,480,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,550.50 : 673,585.13 = 673,585.13 : x
  2. Step 2: Convert to fraction form
    306,550.50/673,585.13 = 673,585.13/x
  3. Step 3: Cross multiply
    306,550.50x = 673,585.13 × 673,585.13
  4. Step 4: Simplify right side
    306,550.50x = 453,716,920,621.27
  5. Step 5: Solve for x
    x = 453,716,920,621.27/306,550.50
  6. Step 6: Final answer
    x = 1,480,072.36

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Why These Related Problems?

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