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Finding the Third Proportional to 4,082,457 and 8,788,938

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Solution

The third proportional to 4,082,457 and 8,788,938 is: 18,921,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082,457 : 8,788,938 = 8,788,938 : x
  2. Step 2: Convert to fraction form
    4,082,457/8,788,938 = 8,788,938/x
  3. Step 3: Cross multiply
    4,082,457x = 8,788,938 × 8,788,938
  4. Step 4: Simplify right side
    4,082,457x = 77,245,431,167,844
  5. Step 5: Solve for x
    x = 77,245,431,167,844/4,082,457
  6. Step 6: Final answer
    x = 18,921,309.19

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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.