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Finding the Third Proportional to 3,249,845.50 and 7,042,067

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Solution

The third proportional to 3,249,845.50 and 7,042,067 is: 15,259,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249,845.50 : 7,042,067 = 7,042,067 : x
  2. Step 2: Convert to fraction form
    3,249,845.50/7,042,067 = 7,042,067/x
  3. Step 3: Cross multiply
    3,249,845.50x = 7,042,067 × 7,042,067
  4. Step 4: Simplify right side
    3,249,845.50x = 49,590,707,632,489
  5. Step 5: Solve for x
    x = 49,590,707,632,489/3,249,845.50
  6. Step 6: Final answer
    x = 15,259,404.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.