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Finding the Third Proportional to 298.50 and 573

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Solution

The third proportional to 298.50 and 573 is: 1,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.50 : 573 = 573 : x
  2. Step 2: Convert to fraction form
    298.50/573 = 573/x
  3. Step 3: Cross multiply
    298.50x = 573 × 573
  4. Step 4: Simplify right side
    298.50x = 328,329
  5. Step 5: Solve for x
    x = 328,329/298.50
  6. Step 6: Final answer
    x = 1,099.93

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.