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Finding the Third Proportional to 8,467,652 and 19,985,666

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Solution

The third proportional to 8,467,652 and 19,985,666 is: 47,170,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467,652 : 19,985,666 = 19,985,666 : x
  2. Step 2: Convert to fraction form
    8,467,652/19,985,666 = 19,985,666/x
  3. Step 3: Cross multiply
    8,467,652x = 19,985,666 × 19,985,666
  4. Step 4: Simplify right side
    8,467,652x = 399,426,845,463,556
  5. Step 5: Solve for x
    x = 399,426,845,463,556/8,467,652
  6. Step 6: Final answer
    x = 47,170,909.42

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.