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Finding the Third Proportional to 4,074,678 and 5,514,129

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Solution

The third proportional to 4,074,678 and 5,514,129 is: 7,462,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074,678 : 5,514,129 = 5,514,129 : x
  2. Step 2: Convert to fraction form
    4,074,678/5,514,129 = 5,514,129/x
  3. Step 3: Cross multiply
    4,074,678x = 5,514,129 × 5,514,129
  4. Step 4: Simplify right side
    4,074,678x = 30,405,618,628,641
  5. Step 5: Solve for x
    x = 30,405,618,628,641/4,074,678
  6. Step 6: Final answer
    x = 7,462,091.15

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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.