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Finding the Third Proportional to 6,818,417 and 11,362,679

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Solution

The third proportional to 6,818,417 and 11,362,679 is: 18,935,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818,417 : 11,362,679 = 11,362,679 : x
  2. Step 2: Convert to fraction form
    6,818,417/11,362,679 = 11,362,679/x
  3. Step 3: Cross multiply
    6,818,417x = 11,362,679 × 11,362,679
  4. Step 4: Simplify right side
    6,818,417x = 129,110,474,057,041
  5. Step 5: Solve for x
    x = 129,110,474,057,041/6,818,417
  6. Step 6: Final answer
    x = 18,935,549.71

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.