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Finding the Third Proportional to 5,419,613.81 and 7,789,886.44

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Solution

The third proportional to 5,419,613.81 and 7,789,886.44 is: 11,196,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,613.81 : 7,789,886.44 = 7,789,886.44 : x
  2. Step 2: Convert to fraction form
    5,419,613.81/7,789,886.44 = 7,789,886.44/x
  3. Step 3: Cross multiply
    5,419,613.81x = 7,789,886.44 × 7,789,886.44
  4. Step 4: Simplify right side
    5,419,613.81x = 60,682,330,709,146.44
  5. Step 5: Solve for x
    x = 60,682,330,709,146.44/5,419,613.81
  6. Step 6: Final answer
    x = 11,196,799.77

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.