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Finding the Third Proportional to 815,751 and 1,762,722

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Solution

The third proportional to 815,751 and 1,762,722 is: 3,808,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,751 : 1,762,722 = 1,762,722 : x
  2. Step 2: Convert to fraction form
    815,751/1,762,722 = 1,762,722/x
  3. Step 3: Cross multiply
    815,751x = 1,762,722 × 1,762,722
  4. Step 4: Simplify right side
    815,751x = 3,107,188,849,284
  5. Step 5: Solve for x
    x = 3,107,188,849,284/815,751
  6. Step 6: Final answer
    x = 3,808,991.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.