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Finding the Third Proportional to 134,619 and 293,691

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Solution

The third proportional to 134,619 and 293,691 is: 640,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,619 : 293,691 = 293,691 : x
  2. Step 2: Convert to fraction form
    134,619/293,691 = 293,691/x
  3. Step 3: Cross multiply
    134,619x = 293,691 × 293,691
  4. Step 4: Simplify right side
    134,619x = 86,254,403,481
  5. Step 5: Solve for x
    x = 86,254,403,481/134,619
  6. Step 6: Final answer
    x = 640,729.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.