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Finding the Third Proportional to 135,656.25 and 294,659.25

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Solution

The third proportional to 135,656.25 and 294,659.25 is: 640,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,656.25 : 294,659.25 = 294,659.25 : x
  2. Step 2: Convert to fraction form
    135,656.25/294,659.25 = 294,659.25/x
  3. Step 3: Cross multiply
    135,656.25x = 294,659.25 × 294,659.25
  4. Step 4: Simplify right side
    135,656.25x = 86,824,073,610.56
  5. Step 5: Solve for x
    x = 86,824,073,610.56/135,656.25
  6. Step 6: Final answer
    x = 640,030.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.