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Finding the Third Proportional to 3,991,426 and 8,266,351

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Solution

The third proportional to 3,991,426 and 8,266,351 is: 17,119,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,426 : 8,266,351 = 8,266,351 : x
  2. Step 2: Convert to fraction form
    3,991,426/8,266,351 = 8,266,351/x
  3. Step 3: Cross multiply
    3,991,426x = 8,266,351 × 8,266,351
  4. Step 4: Simplify right side
    3,991,426x = 68,332,558,855,201
  5. Step 5: Solve for x
    x = 68,332,558,855,201/3,991,426
  6. Step 6: Final answer
    x = 17,119,836.08

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.