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Finding the Third Proportional to 298.50 and 545

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Solution

The third proportional to 298.50 and 545 is: 995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.50 : 545 = 545 : x
  2. Step 2: Convert to fraction form
    298.50/545 = 545/x
  3. Step 3: Cross multiply
    298.50x = 545 × 545
  4. Step 4: Simplify right side
    298.50x = 297,025
  5. Step 5: Solve for x
    x = 297,025/298.50
  6. Step 6: Final answer
    x = 995.06

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These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.