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Finding the Third Proportional to 1,121,631 and 1,695,825

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Solution

The third proportional to 1,121,631 and 1,695,825 is: 2,563,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,631 : 1,695,825 = 1,695,825 : x
  2. Step 2: Convert to fraction form
    1,121,631/1,695,825 = 1,695,825/x
  3. Step 3: Cross multiply
    1,121,631x = 1,695,825 × 1,695,825
  4. Step 4: Simplify right side
    1,121,631x = 2,875,822,430,625
  5. Step 5: Solve for x
    x = 2,875,822,430,625/1,121,631
  6. Step 6: Final answer
    x = 2,563,964.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.