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Finding the Third Proportional to 720,672.75 and 1,530,238.50

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Solution

The third proportional to 720,672.75 and 1,530,238.50 is: 3,249,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,672.75 : 1,530,238.50 = 1,530,238.50 : x
  2. Step 2: Convert to fraction form
    720,672.75/1,530,238.50 = 1,530,238.50/x
  3. Step 3: Cross multiply
    720,672.75x = 1,530,238.50 × 1,530,238.50
  4. Step 4: Simplify right side
    720,672.75x = 2,341,629,866,882.25
  5. Step 5: Solve for x
    x = 2,341,629,866,882.25/720,672.75
  6. Step 6: Final answer
    x = 3,249,227.71

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.