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Finding the Third Proportional to 13,241,685 and 20,247,441

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Solution

The third proportional to 13,241,685 and 20,247,441 is: 30,959,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241,685 : 20,247,441 = 20,247,441 : x
  2. Step 2: Convert to fraction form
    13,241,685/20,247,441 = 20,247,441/x
  3. Step 3: Cross multiply
    13,241,685x = 20,247,441 × 20,247,441
  4. Step 4: Simplify right side
    13,241,685x = 409,958,867,048,481
  5. Step 5: Solve for x
    x = 409,958,867,048,481/13,241,685
  6. Step 6: Final answer
    x = 30,959,720.54

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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.