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Finding the Third Proportional to 119.50 and 260

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Solution

The third proportional to 119.50 and 260 is: 565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.50 : 260 = 260 : x
  2. Step 2: Convert to fraction form
    119.50/260 = 260/x
  3. Step 3: Cross multiply
    119.50x = 260 × 260
  4. Step 4: Simplify right side
    119.50x = 67,600
  5. Step 5: Solve for x
    x = 67,600/119.50
  6. Step 6: Final answer
    x = 565.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.