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Finding the Third Proportional to 196,800.75 and 413,430.75

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Solution

The third proportional to 196,800.75 and 413,430.75 is: 868,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,800.75 : 413,430.75 = 413,430.75 : x
  2. Step 2: Convert to fraction form
    196,800.75/413,430.75 = 413,430.75/x
  3. Step 3: Cross multiply
    196,800.75x = 413,430.75 × 413,430.75
  4. Step 4: Simplify right side
    196,800.75x = 170,924,985,045.56
  5. Step 5: Solve for x
    x = 170,924,985,045.56/196,800.75
  6. Step 6: Final answer
    x = 868,517.96

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.