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Finding the Third Proportional to 728,298 and 1,102,568

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Solution

The third proportional to 728,298 and 1,102,568 is: 1,669,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,298 : 1,102,568 = 1,102,568 : x
  2. Step 2: Convert to fraction form
    728,298/1,102,568 = 1,102,568/x
  3. Step 3: Cross multiply
    728,298x = 1,102,568 × 1,102,568
  4. Step 4: Simplify right side
    728,298x = 1,215,656,194,624
  5. Step 5: Solve for x
    x = 1,215,656,194,624/728,298
  6. Step 6: Final answer
    x = 1,669,174.15

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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.