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Finding the Third Proportional to 305,920.13 and 673,008.75

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Solution

The third proportional to 305,920.13 and 673,008.75 is: 1,480,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,920.13 : 673,008.75 = 673,008.75 : x
  2. Step 2: Convert to fraction form
    305,920.13/673,008.75 = 673,008.75/x
  3. Step 3: Cross multiply
    305,920.13x = 673,008.75 × 673,008.75
  4. Step 4: Simplify right side
    305,920.13x = 452,940,777,576.56
  5. Step 5: Solve for x
    x = 452,940,777,576.56/305,920.13
  6. Step 6: Final answer
    x = 1,480,585.10

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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.