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Finding the Third Proportional to 136,992.75 and 214,955.25

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Solution

The third proportional to 136,992.75 and 214,955.25 is: 337,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,992.75 : 214,955.25 = 214,955.25 : x
  2. Step 2: Convert to fraction form
    136,992.75/214,955.25 = 214,955.25/x
  3. Step 3: Cross multiply
    136,992.75x = 214,955.25 × 214,955.25
  4. Step 4: Simplify right side
    136,992.75x = 46,205,759,502.56
  5. Step 5: Solve for x
    x = 46,205,759,502.56/136,992.75
  6. Step 6: Final answer
    x = 337,286.17

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.