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Finding the Third Proportional to 1,781,771.25 and 3,900,273

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Solution

The third proportional to 1,781,771.25 and 3,900,273 is: 8,537,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,771.25 : 3,900,273 = 3,900,273 : x
  2. Step 2: Convert to fraction form
    1,781,771.25/3,900,273 = 3,900,273/x
  3. Step 3: Cross multiply
    1,781,771.25x = 3,900,273 × 3,900,273
  4. Step 4: Simplify right side
    1,781,771.25x = 15,212,129,474,529
  5. Step 5: Solve for x
    x = 15,212,129,474,529/1,781,771.25
  6. Step 6: Final answer
    x = 8,537,644.48

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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.