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Finding the Third Proportional to 196,857 and 291,134.25

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Solution

The third proportional to 196,857 and 291,134.25 is: 430,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,857 : 291,134.25 = 291,134.25 : x
  2. Step 2: Convert to fraction form
    196,857/291,134.25 = 291,134.25/x
  3. Step 3: Cross multiply
    196,857x = 291,134.25 × 291,134.25
  4. Step 4: Simplify right side
    196,857x = 84,759,151,523.06
  5. Step 5: Solve for x
    x = 84,759,151,523.06/196,857
  6. Step 6: Final answer
    x = 430,562.04

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.