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Finding the Third Proportional to 498.75 and 537.75

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Solution

The third proportional to 498.75 and 537.75 is: 579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.75 : 537.75 = 537.75 : x
  2. Step 2: Convert to fraction form
    498.75/537.75 = 537.75/x
  3. Step 3: Cross multiply
    498.75x = 537.75 × 537.75
  4. Step 4: Simplify right side
    498.75x = 289,175.06
  5. Step 5: Solve for x
    x = 289,175.06/498.75
  6. Step 6: Final answer
    x = 579.80

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.