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Finding the Third Proportional to 1,720,311.75 and 2,733,021

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Solution

The third proportional to 1,720,311.75 and 2,733,021 is: 4,341,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,311.75 : 2,733,021 = 2,733,021 : x
  2. Step 2: Convert to fraction form
    1,720,311.75/2,733,021 = 2,733,021/x
  3. Step 3: Cross multiply
    1,720,311.75x = 2,733,021 × 2,733,021
  4. Step 4: Simplify right side
    1,720,311.75x = 7,469,403,786,441
  5. Step 5: Solve for x
    x = 7,469,403,786,441/1,720,311.75
  6. Step 6: Final answer
    x = 4,341,889.65

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.