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Finding the Third Proportional to 17,811,933 and 38,903,272

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Solution

The third proportional to 17,811,933 and 38,903,272 is: 84,969,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811,933 : 38,903,272 = 38,903,272 : x
  2. Step 2: Convert to fraction form
    17,811,933/38,903,272 = 38,903,272/x
  3. Step 3: Cross multiply
    17,811,933x = 38,903,272 × 38,903,272
  4. Step 4: Simplify right side
    17,811,933x = 1,513,464,572,305,984
  5. Step 5: Solve for x
    x = 1,513,464,572,305,984/17,811,933
  6. Step 6: Final answer
    x = 84,969,136.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.