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Finding the Third Proportional to 8,396,946 and 18,313,308

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Solution

The third proportional to 8,396,946 and 18,313,308 is: 39,940,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396,946 : 18,313,308 = 18,313,308 : x
  2. Step 2: Convert to fraction form
    8,396,946/18,313,308 = 18,313,308/x
  3. Step 3: Cross multiply
    8,396,946x = 18,313,308 × 18,313,308
  4. Step 4: Simplify right side
    8,396,946x = 335,377,249,902,864
  5. Step 5: Solve for x
    x = 335,377,249,902,864/8,396,946
  6. Step 6: Final answer
    x = 39,940,384.27

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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.