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Finding the Third Proportional to 192,865.50 and 430,443

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Solution

The third proportional to 192,865.50 and 430,443 is: 960,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,865.50 : 430,443 = 430,443 : x
  2. Step 2: Convert to fraction form
    192,865.50/430,443 = 430,443/x
  3. Step 3: Cross multiply
    192,865.50x = 430,443 × 430,443
  4. Step 4: Simplify right side
    192,865.50x = 185,281,176,249
  5. Step 5: Solve for x
    x = 185,281,176,249/192,865.50
  6. Step 6: Final answer
    x = 960,675.58

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.