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Finding the Third Proportional to 18,439,866 and 27,061,914

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Solution

The third proportional to 18,439,866 and 27,061,914 is: 39,715,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,866 : 27,061,914 = 27,061,914 : x
  2. Step 2: Convert to fraction form
    18,439,866/27,061,914 = 27,061,914/x
  3. Step 3: Cross multiply
    18,439,866x = 27,061,914 × 27,061,914
  4. Step 4: Simplify right side
    18,439,866x = 732,347,189,343,396
  5. Step 5: Solve for x
    x = 732,347,189,343,396/18,439,866
  6. Step 6: Final answer
    x = 39,715,429.02

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.