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Finding the Third Proportional to 13,192,500 and 20,181,087

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Solution

The third proportional to 13,192,500 and 20,181,087 is: 30,871,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,500 : 20,181,087 = 20,181,087 : x
  2. Step 2: Convert to fraction form
    13,192,500/20,181,087 = 20,181,087/x
  3. Step 3: Cross multiply
    13,192,500x = 20,181,087 × 20,181,087
  4. Step 4: Simplify right side
    13,192,500x = 407,276,272,501,569
  5. Step 5: Solve for x
    x = 407,276,272,501,569/13,192,500
  6. Step 6: Final answer
    x = 30,871,803.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.