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Finding the Third Proportional to 13,693,443 and 21,192,011

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Solution

The third proportional to 13,693,443 and 21,192,011 is: 32,796,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,443 : 21,192,011 = 21,192,011 : x
  2. Step 2: Convert to fraction form
    13,693,443/21,192,011 = 21,192,011/x
  3. Step 3: Cross multiply
    13,693,443x = 21,192,011 × 21,192,011
  4. Step 4: Simplify right side
    13,693,443x = 449,101,330,224,121
  5. Step 5: Solve for x
    x = 449,101,330,224,121/13,693,443
  6. Step 6: Final answer
    x = 32,796,815.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.