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Finding the Third Proportional to 196,894.50 and 429,423.75

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Solution

The third proportional to 196,894.50 and 429,423.75 is: 936,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,894.50 : 429,423.75 = 429,423.75 : x
  2. Step 2: Convert to fraction form
    196,894.50/429,423.75 = 429,423.75/x
  3. Step 3: Cross multiply
    196,894.50x = 429,423.75 × 429,423.75
  4. Step 4: Simplify right side
    196,894.50x = 184,404,757,064.06
  5. Step 5: Solve for x
    x = 184,404,757,064.06/196,894.50
  6. Step 6: Final answer
    x = 936,566.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.