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Finding the Third Proportional to 775,556 and 1,640,532

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Solution

The third proportional to 775,556 and 1,640,532 is: 3,470,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,556 : 1,640,532 = 1,640,532 : x
  2. Step 2: Convert to fraction form
    775,556/1,640,532 = 1,640,532/x
  3. Step 3: Cross multiply
    775,556x = 1,640,532 × 1,640,532
  4. Step 4: Simplify right side
    775,556x = 2,691,345,243,024
  5. Step 5: Solve for x
    x = 2,691,345,243,024/775,556
  6. Step 6: Final answer
    x = 3,470,213.94

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.