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Finding the Third Proportional to 694,450 and 1,521,860

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Solution

The third proportional to 694,450 and 1,521,860 is: 3,335,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,450 : 1,521,860 = 1,521,860 : x
  2. Step 2: Convert to fraction form
    694,450/1,521,860 = 1,521,860/x
  3. Step 3: Cross multiply
    694,450x = 1,521,860 × 1,521,860
  4. Step 4: Simplify right side
    694,450x = 2,316,057,859,600
  5. Step 5: Solve for x
    x = 2,316,057,859,600/694,450
  6. Step 6: Final answer
    x = 3,335,096.64

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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.