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Finding the Third Proportional to 775,632 and 1,621,532

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Solution

The third proportional to 775,632 and 1,621,532 is: 3,389,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,632 : 1,621,532 = 1,621,532 : x
  2. Step 2: Convert to fraction form
    775,632/1,621,532 = 1,621,532/x
  3. Step 3: Cross multiply
    775,632x = 1,621,532 × 1,621,532
  4. Step 4: Simplify right side
    775,632x = 2,629,366,027,024
  5. Step 5: Solve for x
    x = 2,629,366,027,024/775,632
  6. Step 6: Final answer
    x = 3,389,965.89

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.