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Finding the Third Proportional to 13,192,515 and 20,181,109.50

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Solution

The third proportional to 13,192,515 and 20,181,109.50 is: 30,871,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,515 : 20,181,109.50 = 20,181,109.50 : x
  2. Step 2: Convert to fraction form
    13,192,515/20,181,109.50 = 20,181,109.50/x
  3. Step 3: Cross multiply
    13,192,515x = 20,181,109.50 × 20,181,109.50
  4. Step 4: Simplify right side
    13,192,515x = 407,277,180,650,990.25
  5. Step 5: Solve for x
    x = 407,277,180,650,990.25/13,192,515
  6. Step 6: Final answer
    x = 30,871,837.60

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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.