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Finding the Third Proportional to 755,715 and 1,555,764

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Solution

The third proportional to 755,715 and 1,555,764 is: 3,202,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,715 : 1,555,764 = 1,555,764 : x
  2. Step 2: Convert to fraction form
    755,715/1,555,764 = 1,555,764/x
  3. Step 3: Cross multiply
    755,715x = 1,555,764 × 1,555,764
  4. Step 4: Simplify right side
    755,715x = 2,420,401,623,696
  5. Step 5: Solve for x
    x = 2,420,401,623,696/755,715
  6. Step 6: Final answer
    x = 3,202,796.85

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.