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Finding the Third Proportional to 3,138,726.59 and 4,442,520.30

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Solution

The third proportional to 3,138,726.59 and 4,442,520.30 is: 6,287,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,726.59 : 4,442,520.30 = 4,442,520.30 : x
  2. Step 2: Convert to fraction form
    3,138,726.59/4,442,520.30 = 4,442,520.30/x
  3. Step 3: Cross multiply
    3,138,726.59x = 4,442,520.30 × 4,442,520.30
  4. Step 4: Simplify right side
    3,138,726.59x = 19,735,986,657,560.72
  5. Step 5: Solve for x
    x = 19,735,986,657,560.72/3,138,726.59
  6. Step 6: Final answer
    x = 6,287,896.10

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.