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Finding the Third Proportional to 191.50 and 260

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Solution

The third proportional to 191.50 and 260 is: 353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.50 : 260 = 260 : x
  2. Step 2: Convert to fraction form
    191.50/260 = 260/x
  3. Step 3: Cross multiply
    191.50x = 260 × 260
  4. Step 4: Simplify right side
    191.50x = 67,600
  5. Step 5: Solve for x
    x = 67,600/191.50
  6. Step 6: Final answer
    x = 353.00

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.