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Finding the Third Proportional to 202,356 and 445,446

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Solution

The third proportional to 202,356 and 445,446 is: 980,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,356 : 445,446 = 445,446 : x
  2. Step 2: Convert to fraction form
    202,356/445,446 = 445,446/x
  3. Step 3: Cross multiply
    202,356x = 445,446 × 445,446
  4. Step 4: Simplify right side
    202,356x = 198,422,138,916
  5. Step 5: Solve for x
    x = 198,422,138,916/202,356
  6. Step 6: Final answer
    x = 980,559.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.