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Finding the Third Proportional to 4,009,392 and 8,412,444

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Solution

The third proportional to 4,009,392 and 8,412,444 is: 17,650,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,392 : 8,412,444 = 8,412,444 : x
  2. Step 2: Convert to fraction form
    4,009,392/8,412,444 = 8,412,444/x
  3. Step 3: Cross multiply
    4,009,392x = 8,412,444 × 8,412,444
  4. Step 4: Simplify right side
    4,009,392x = 70,769,214,053,136
  5. Step 5: Solve for x
    x = 70,769,214,053,136/4,009,392
  6. Step 6: Final answer
    x = 17,650,859.30

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.