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Finding the Third Proportional to 9,179,166 and 19,979,808

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Solution

The third proportional to 9,179,166 and 19,979,808 is: 43,488,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,166 : 19,979,808 = 19,979,808 : x
  2. Step 2: Convert to fraction form
    9,179,166/19,979,808 = 19,979,808/x
  3. Step 3: Cross multiply
    9,179,166x = 19,979,808 × 19,979,808
  4. Step 4: Simplify right side
    9,179,166x = 399,192,727,716,864
  5. Step 5: Solve for x
    x = 399,192,727,716,864/9,179,166
  6. Step 6: Final answer
    x = 43,488,997.55

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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.