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Finding the Third Proportional to 18,457,072 and 39,753,962

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Solution

The third proportional to 18,457,072 and 39,753,962 is: 85,624,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,072 : 39,753,962 = 39,753,962 : x
  2. Step 2: Convert to fraction form
    18,457,072/39,753,962 = 39,753,962/x
  3. Step 3: Cross multiply
    18,457,072x = 39,753,962 × 39,753,962
  4. Step 4: Simplify right side
    18,457,072x = 1,580,377,494,697,444
  5. Step 5: Solve for x
    x = 1,580,377,494,697,444/18,457,072
  6. Step 6: Final answer
    x = 85,624,496.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.