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Finding the Third Proportional to 1,279,194 and 2,798,729

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Solution

The third proportional to 1,279,194 and 2,798,729 is: 6,123,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,194 : 2,798,729 = 2,798,729 : x
  2. Step 2: Convert to fraction form
    1,279,194/2,798,729 = 2,798,729/x
  3. Step 3: Cross multiply
    1,279,194x = 2,798,729 × 2,798,729
  4. Step 4: Simplify right side
    1,279,194x = 7,832,884,015,441
  5. Step 5: Solve for x
    x = 7,832,884,015,441/1,279,194
  6. Step 6: Final answer
    x = 6,123,296.40

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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.