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Finding the Third Proportional to 12,228,578 and 18,373,683

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Solution

The third proportional to 12,228,578 and 18,373,683 is: 27,606,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,578 : 18,373,683 = 18,373,683 : x
  2. Step 2: Convert to fraction form
    12,228,578/18,373,683 = 18,373,683/x
  3. Step 3: Cross multiply
    12,228,578x = 18,373,683 × 18,373,683
  4. Step 4: Simplify right side
    12,228,578x = 337,592,226,984,489
  5. Step 5: Solve for x
    x = 337,592,226,984,489/12,228,578
  6. Step 6: Final answer
    x = 27,606,826.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.