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Finding the Third Proportional to 693,717.75 and 1,513,161

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Solution

The third proportional to 693,717.75 and 1,513,161 is: 3,300,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,717.75 : 1,513,161 = 1,513,161 : x
  2. Step 2: Convert to fraction form
    693,717.75/1,513,161 = 1,513,161/x
  3. Step 3: Cross multiply
    693,717.75x = 1,513,161 × 1,513,161
  4. Step 4: Simplify right side
    693,717.75x = 2,289,656,211,921
  5. Step 5: Solve for x
    x = 2,289,656,211,921/693,717.75
  6. Step 6: Final answer
    x = 3,300,558.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.