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Finding the Third Proportional to 196,942.50 and 305,529.75

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Solution

The third proportional to 196,942.50 and 305,529.75 is: 473,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,942.50 : 305,529.75 = 305,529.75 : x
  2. Step 2: Convert to fraction form
    196,942.50/305,529.75 = 305,529.75/x
  3. Step 3: Cross multiply
    196,942.50x = 305,529.75 × 305,529.75
  4. Step 4: Simplify right side
    196,942.50x = 93,348,428,135.06
  5. Step 5: Solve for x
    x = 93,348,428,135.06/196,942.50
  6. Step 6: Final answer
    x = 473,988.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.