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Finding the Third Proportional to 8,867,400 and 19,102,221

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Solution

The third proportional to 8,867,400 and 19,102,221 is: 41,150,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867,400 : 19,102,221 = 19,102,221 : x
  2. Step 2: Convert to fraction form
    8,867,400/19,102,221 = 19,102,221/x
  3. Step 3: Cross multiply
    8,867,400x = 19,102,221 × 19,102,221
  4. Step 4: Simplify right side
    8,867,400x = 364,894,847,132,841
  5. Step 5: Solve for x
    x = 364,894,847,132,841/8,867,400
  6. Step 6: Final answer
    x = 41,150,150.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.