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Finding the Third Proportional to 4,039,444.69 and 8,765,556.75

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Solution

The third proportional to 4,039,444.69 and 8,765,556.75 is: 19,021,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,444.69 : 8,765,556.75 = 8,765,556.75 : x
  2. Step 2: Convert to fraction form
    4,039,444.69/8,765,556.75 = 8,765,556.75/x
  3. Step 3: Cross multiply
    4,039,444.69x = 8,765,556.75 × 8,765,556.75
  4. Step 4: Simplify right side
    4,039,444.69x = 76,834,985,137,470.56
  5. Step 5: Solve for x
    x = 76,834,985,137,470.56/4,039,444.69
  6. Step 6: Final answer
    x = 19,021,175.21

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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.