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Finding the Third Proportional to 63,695.25 and 134,979.75

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Solution

The third proportional to 63,695.25 and 134,979.75 is: 286,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,695.25 : 134,979.75 = 134,979.75 : x
  2. Step 2: Convert to fraction form
    63,695.25/134,979.75 = 134,979.75/x
  3. Step 3: Cross multiply
    63,695.25x = 134,979.75 × 134,979.75
  4. Step 4: Simplify right side
    63,695.25x = 18,219,532,910.06
  5. Step 5: Solve for x
    x = 18,219,532,910.06/63,695.25
  6. Step 6: Final answer
    x = 286,042.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.