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Finding the Third Proportional to 104,229 and 215,604

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Solution

The third proportional to 104,229 and 215,604 is: 445,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,229 : 215,604 = 215,604 : x
  2. Step 2: Convert to fraction form
    104,229/215,604 = 215,604/x
  3. Step 3: Cross multiply
    104,229x = 215,604 × 215,604
  4. Step 4: Simplify right side
    104,229x = 46,485,084,816
  5. Step 5: Solve for x
    x = 46,485,084,816/104,229
  6. Step 6: Final answer
    x = 445,989.93

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.