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Finding the Third Proportional to 1,278,028.13 and 2,755,346.63

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Solution

The third proportional to 1,278,028.13 and 2,755,346.63 is: 5,940,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,028.13 : 2,755,346.63 = 2,755,346.63 : x
  2. Step 2: Convert to fraction form
    1,278,028.13/2,755,346.63 = 2,755,346.63/x
  3. Step 3: Cross multiply
    1,278,028.13x = 2,755,346.63 × 2,755,346.63
  4. Step 4: Simplify right side
    1,278,028.13x = 7,591,935,023,898.89
  5. Step 5: Solve for x
    x = 7,591,935,023,898.89/1,278,028.13
  6. Step 6: Final answer
    x = 5,940,350.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.