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Finding the Third Proportional to 199,656 and 436,824

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Solution

The third proportional to 199,656 and 436,824 is: 955,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,656 : 436,824 = 436,824 : x
  2. Step 2: Convert to fraction form
    199,656/436,824 = 436,824/x
  3. Step 3: Cross multiply
    199,656x = 436,824 × 436,824
  4. Step 4: Simplify right side
    199,656x = 190,815,206,976
  5. Step 5: Solve for x
    x = 190,815,206,976/199,656
  6. Step 6: Final answer
    x = 955,719.87

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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.