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Finding the Third Proportional to 8,887,266 and 19,380,132

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Solution

The third proportional to 8,887,266 and 19,380,132 is: 42,261,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887,266 : 19,380,132 = 19,380,132 : x
  2. Step 2: Convert to fraction form
    8,887,266/19,380,132 = 19,380,132/x
  3. Step 3: Cross multiply
    8,887,266x = 19,380,132 × 19,380,132
  4. Step 4: Simplify right side
    8,887,266x = 375,589,516,337,424
  5. Step 5: Solve for x
    x = 375,589,516,337,424/8,887,266
  6. Step 6: Final answer
    x = 42,261,536.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.