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Finding the Third Proportional to 127,366 and 196,393

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Solution

The third proportional to 127,366 and 196,393 is: 302,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,366 : 196,393 = 196,393 : x
  2. Step 2: Convert to fraction form
    127,366/196,393 = 196,393/x
  3. Step 3: Cross multiply
    127,366x = 196,393 × 196,393
  4. Step 4: Simplify right side
    127,366x = 38,570,210,449
  5. Step 5: Solve for x
    x = 38,570,210,449/127,366
  6. Step 6: Final answer
    x = 302,829.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.