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Finding the Third Proportional to 199,449 and 436,446

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Solution

The third proportional to 199,449 and 436,446 is: 955,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,449 : 436,446 = 436,446 : x
  2. Step 2: Convert to fraction form
    199,449/436,446 = 436,446/x
  3. Step 3: Cross multiply
    199,449x = 436,446 × 436,446
  4. Step 4: Simplify right side
    199,449x = 190,485,110,916
  5. Step 5: Solve for x
    x = 190,485,110,916/199,449
  6. Step 6: Final answer
    x = 955,056.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.