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Finding the Third Proportional to 18,438,663 and 27,060,036

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Solution

The third proportional to 18,438,663 and 27,060,036 is: 39,712,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,663 : 27,060,036 = 27,060,036 : x
  2. Step 2: Convert to fraction form
    18,438,663/27,060,036 = 27,060,036/x
  3. Step 3: Cross multiply
    18,438,663x = 27,060,036 × 27,060,036
  4. Step 4: Simplify right side
    18,438,663x = 732,245,548,321,296
  5. Step 5: Solve for x
    x = 732,245,548,321,296/18,438,663
  6. Step 6: Final answer
    x = 39,712,507.81

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