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Finding the Third Proportional to 3,158,791.31 and 4,619,724.19

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Solution

The third proportional to 3,158,791.31 and 4,619,724.19 is: 6,756,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,791.31 : 4,619,724.19 = 4,619,724.19 : x
  2. Step 2: Convert to fraction form
    3,158,791.31/4,619,724.19 = 4,619,724.19/x
  3. Step 3: Cross multiply
    3,158,791.31x = 4,619,724.19 × 4,619,724.19
  4. Step 4: Simplify right side
    3,158,791.31x = 21,341,851,568,572.54
  5. Step 5: Solve for x
    x = 21,341,851,568,572.54/3,158,791.31
  6. Step 6: Final answer
    x = 6,756,334.77

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.