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Finding the Third Proportional to 18,231,797 and 39,490,405

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Solution

The third proportional to 18,231,797 and 39,490,405 is: 85,536,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231,797 : 39,490,405 = 39,490,405 : x
  2. Step 2: Convert to fraction form
    18,231,797/39,490,405 = 39,490,405/x
  3. Step 3: Cross multiply
    18,231,797x = 39,490,405 × 39,490,405
  4. Step 4: Simplify right side
    18,231,797x = 1,559,492,087,064,025
  5. Step 5: Solve for x
    x = 1,559,492,087,064,025/18,231,797
  6. Step 6: Final answer
    x = 85,536,937.86

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.