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Finding the Third Proportional to 1,681,569 and 3,690,161

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Solution

The third proportional to 1,681,569 and 3,690,161 is: 8,097,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,569 : 3,690,161 = 3,690,161 : x
  2. Step 2: Convert to fraction form
    1,681,569/3,690,161 = 3,690,161/x
  3. Step 3: Cross multiply
    1,681,569x = 3,690,161 × 3,690,161
  4. Step 4: Simplify right side
    1,681,569x = 13,617,288,205,921
  5. Step 5: Solve for x
    x = 13,617,288,205,921/1,681,569
  6. Step 6: Final answer
    x = 8,097,965.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.