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Finding the Third Proportional to 1,363,209 and 2,138,625

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Solution

The third proportional to 1,363,209 and 2,138,625 is: 3,355,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,209 : 2,138,625 = 2,138,625 : x
  2. Step 2: Convert to fraction form
    1,363,209/2,138,625 = 2,138,625/x
  3. Step 3: Cross multiply
    1,363,209x = 2,138,625 × 2,138,625
  4. Step 4: Simplify right side
    1,363,209x = 4,573,716,890,625
  5. Step 5: Solve for x
    x = 4,573,716,890,625/1,363,209
  6. Step 6: Final answer
    x = 3,355,110.54

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.