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Finding the Third Proportional to 63,631.50 and 137,097.75

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Solution

The third proportional to 63,631.50 and 137,097.75 is: 295,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,631.50 : 137,097.75 = 137,097.75 : x
  2. Step 2: Convert to fraction form
    63,631.50/137,097.75 = 137,097.75/x
  3. Step 3: Cross multiply
    63,631.50x = 137,097.75 × 137,097.75
  4. Step 4: Simplify right side
    63,631.50x = 18,795,793,055.06
  5. Step 5: Solve for x
    x = 18,795,793,055.06/63,631.50
  6. Step 6: Final answer
    x = 295,385.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.