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Finding the Third Proportional to 694,274 and 1,521,712

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Solution

The third proportional to 694,274 and 1,521,712 is: 3,335,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,274 : 1,521,712 = 1,521,712 : x
  2. Step 2: Convert to fraction form
    694,274/1,521,712 = 1,521,712/x
  3. Step 3: Cross multiply
    694,274x = 1,521,712 × 1,521,712
  4. Step 4: Simplify right side
    694,274x = 2,315,607,410,944
  5. Step 5: Solve for x
    x = 2,315,607,410,944/694,274
  6. Step 6: Final answer
    x = 3,335,293.29

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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.