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Finding the Third Proportional to 8,242,686 and 17,704,188

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Solution

The third proportional to 8,242,686 and 17,704,188 is: 38,026,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242,686 : 17,704,188 = 17,704,188 : x
  2. Step 2: Convert to fraction form
    8,242,686/17,704,188 = 17,704,188/x
  3. Step 3: Cross multiply
    8,242,686x = 17,704,188 × 17,704,188
  4. Step 4: Simplify right side
    8,242,686x = 313,438,272,739,344
  5. Step 5: Solve for x
    x = 313,438,272,739,344/8,242,686
  6. Step 6: Final answer
    x = 38,026,229.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.