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Finding the Third Proportional to 131,216.25 and 196,790.25

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Solution

The third proportional to 131,216.25 and 196,790.25 is: 295,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,216.25 : 196,790.25 = 196,790.25 : x
  2. Step 2: Convert to fraction form
    131,216.25/196,790.25 = 196,790.25/x
  3. Step 3: Cross multiply
    131,216.25x = 196,790.25 × 196,790.25
  4. Step 4: Simplify right side
    131,216.25x = 38,726,402,495.06
  5. Step 5: Solve for x
    x = 38,726,402,495.06/131,216.25
  6. Step 6: Final answer
    x = 295,134.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.