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Finding the Third Proportional to 192,272 and 412,984

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Solution

The third proportional to 192,272 and 412,984 is: 887,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,272 : 412,984 = 412,984 : x
  2. Step 2: Convert to fraction form
    192,272/412,984 = 412,984/x
  3. Step 3: Cross multiply
    192,272x = 412,984 × 412,984
  4. Step 4: Simplify right side
    192,272x = 170,555,784,256
  5. Step 5: Solve for x
    x = 170,555,784,256/192,272
  6. Step 6: Final answer
    x = 887,054.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.