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Finding the Third Proportional to 192,392.50 and 424,178

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Solution

The third proportional to 192,392.50 and 424,178 is: 935,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,392.50 : 424,178 = 424,178 : x
  2. Step 2: Convert to fraction form
    192,392.50/424,178 = 424,178/x
  3. Step 3: Cross multiply
    192,392.50x = 424,178 × 424,178
  4. Step 4: Simplify right side
    192,392.50x = 179,926,975,684
  5. Step 5: Solve for x
    x = 179,926,975,684/192,392.50
  6. Step 6: Final answer
    x = 935,207.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.