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Finding the Third Proportional to 4,184,655.75 and 8,871,504.75

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Solution

The third proportional to 4,184,655.75 and 8,871,504.75 is: 18,807,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184,655.75 : 8,871,504.75 = 8,871,504.75 : x
  2. Step 2: Convert to fraction form
    4,184,655.75/8,871,504.75 = 8,871,504.75/x
  3. Step 3: Cross multiply
    4,184,655.75x = 8,871,504.75 × 8,871,504.75
  4. Step 4: Simplify right side
    4,184,655.75x = 78,703,596,529,272.56
  5. Step 5: Solve for x
    x = 78,703,596,529,272.56/4,184,655.75
  6. Step 6: Final answer
    x = 18,807,663.34

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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.