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Finding the Third Proportional to 131 and 295.50

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Solution

The third proportional to 131 and 295.50 is: 666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131 : 295.50 = 295.50 : x
  2. Step 2: Convert to fraction form
    131/295.50 = 295.50/x
  3. Step 3: Cross multiply
    131x = 295.50 × 295.50
  4. Step 4: Simplify right side
    131x = 87,320.25
  5. Step 5: Solve for x
    x = 87,320.25/131
  6. Step 6: Final answer
    x = 666.57

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.