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Finding the Third Proportional to 774,802 and 1,686,836

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Solution

The third proportional to 774,802 and 1,686,836 is: 3,672,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,802 : 1,686,836 = 1,686,836 : x
  2. Step 2: Convert to fraction form
    774,802/1,686,836 = 1,686,836/x
  3. Step 3: Cross multiply
    774,802x = 1,686,836 × 1,686,836
  4. Step 4: Simplify right side
    774,802x = 2,845,415,690,896
  5. Step 5: Solve for x
    x = 2,845,415,690,896/774,802
  6. Step 6: Final answer
    x = 3,672,442.37

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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.