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Finding the Third Proportional to 755,442 and 1,622,697.75

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Solution

The third proportional to 755,442 and 1,622,697.75 is: 3,485,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,442 : 1,622,697.75 = 1,622,697.75 : x
  2. Step 2: Convert to fraction form
    755,442/1,622,697.75 = 1,622,697.75/x
  3. Step 3: Cross multiply
    755,442x = 1,622,697.75 × 1,622,697.75
  4. Step 4: Simplify right side
    755,442x = 2,633,147,987,855.06
  5. Step 5: Solve for x
    x = 2,633,147,987,855.06/755,442
  6. Step 6: Final answer
    x = 3,485,572.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.