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Finding the Third Proportional to 4,184,667 and 8,871,525

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Solution

The third proportional to 4,184,667 and 8,871,525 is: 18,807,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184,667 : 8,871,525 = 8,871,525 : x
  2. Step 2: Convert to fraction form
    4,184,667/8,871,525 = 8,871,525/x
  3. Step 3: Cross multiply
    4,184,667x = 8,871,525 × 8,871,525
  4. Step 4: Simplify right side
    4,184,667x = 78,703,955,825,625
  5. Step 5: Solve for x
    x = 78,703,955,825,625/4,184,667
  6. Step 6: Final answer
    x = 18,807,698.64

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.