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Finding the Third Proportional to 1,238,626.22 and 2,720,829.56

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Solution

The third proportional to 1,238,626.22 and 2,720,829.56 is: 5,976,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,626.22 : 2,720,829.56 = 2,720,829.56 : x
  2. Step 2: Convert to fraction form
    1,238,626.22/2,720,829.56 = 2,720,829.56/x
  3. Step 3: Cross multiply
    1,238,626.22x = 2,720,829.56 × 2,720,829.56
  4. Step 4: Simplify right side
    1,238,626.22x = 7,402,913,508,173.94
  5. Step 5: Solve for x
    x = 7,402,913,508,173.94/1,238,626.22
  6. Step 6: Final answer
    x = 5,976,713.07

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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.