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Finding the Third Proportional to 6,431,208 and 13,391,646

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Solution

The third proportional to 6,431,208 and 13,391,646 is: 27,885,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431,208 : 13,391,646 = 13,391,646 : x
  2. Step 2: Convert to fraction form
    6,431,208/13,391,646 = 13,391,646/x
  3. Step 3: Cross multiply
    6,431,208x = 13,391,646 × 13,391,646
  4. Step 4: Simplify right side
    6,431,208x = 179,336,182,589,316
  5. Step 5: Solve for x
    x = 179,336,182,589,316/6,431,208
  6. Step 6: Final answer
    x = 27,885,302.82

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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.