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Finding the Third Proportional to 1,335,489.19 and 3,149,403.19

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Solution

The third proportional to 1,335,489.19 and 3,149,403.19 is: 7,427,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,489.19 : 3,149,403.19 = 3,149,403.19 : x
  2. Step 2: Convert to fraction form
    1,335,489.19/3,149,403.19 = 3,149,403.19/x
  3. Step 3: Cross multiply
    1,335,489.19x = 3,149,403.19 × 3,149,403.19
  4. Step 4: Simplify right side
    1,335,489.19x = 9,918,740,437,435.16
  5. Step 5: Solve for x
    x = 9,918,740,437,435.16/1,335,489.19
  6. Step 6: Final answer
    x = 7,427,046.61

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.