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Finding the Third Proportional to 6,431,121 and 13,391,495

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Solution

The third proportional to 6,431,121 and 13,391,495 is: 27,885,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431,121 : 13,391,495 = 13,391,495 : x
  2. Step 2: Convert to fraction form
    6,431,121/13,391,495 = 13,391,495/x
  3. Step 3: Cross multiply
    6,431,121x = 13,391,495 × 13,391,495
  4. Step 4: Simplify right side
    6,431,121x = 179,332,138,335,025
  5. Step 5: Solve for x
    x = 179,332,138,335,025/6,431,121
  6. Step 6: Final answer
    x = 27,885,051.20

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.