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Finding the Third Proportional to 769,286 and 1,674,031

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Solution

The third proportional to 769,286 and 1,674,031 is: 3,642,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,286 : 1,674,031 = 1,674,031 : x
  2. Step 2: Convert to fraction form
    769,286/1,674,031 = 1,674,031/x
  3. Step 3: Cross multiply
    769,286x = 1,674,031 × 1,674,031
  4. Step 4: Simplify right side
    769,286x = 2,802,379,788,961
  5. Step 5: Solve for x
    x = 2,802,379,788,961/769,286
  6. Step 6: Final answer
    x = 3,642,832.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.