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Finding the Third Proportional to 11,800,872 and 18,225,459

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Solution

The third proportional to 11,800,872 and 18,225,459 is: 28,147,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800,872 : 18,225,459 = 18,225,459 : x
  2. Step 2: Convert to fraction form
    11,800,872/18,225,459 = 18,225,459/x
  3. Step 3: Cross multiply
    11,800,872x = 18,225,459 × 18,225,459
  4. Step 4: Simplify right side
    11,800,872x = 332,167,355,760,681
  5. Step 5: Solve for x
    x = 332,167,355,760,681/11,800,872
  6. Step 6: Final answer
    x = 28,147,695.84

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.