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Finding the Third Proportional to 17,718,021 and 27,758,007

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Solution

The third proportional to 17,718,021 and 27,758,007 is: 43,487,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718,021 : 27,758,007 = 27,758,007 : x
  2. Step 2: Convert to fraction form
    17,718,021/27,758,007 = 27,758,007/x
  3. Step 3: Cross multiply
    17,718,021x = 27,758,007 × 27,758,007
  4. Step 4: Simplify right side
    17,718,021x = 770,506,952,612,049
  5. Step 5: Solve for x
    x = 770,506,952,612,049/17,718,021
  6. Step 6: Final answer
    x = 43,487,190.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.