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Finding the Third Proportional to 543.75 and 792.75

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Solution

The third proportional to 543.75 and 792.75 is: 1,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.75 : 792.75 = 792.75 : x
  2. Step 2: Convert to fraction form
    543.75/792.75 = 792.75/x
  3. Step 3: Cross multiply
    543.75x = 792.75 × 792.75
  4. Step 4: Simplify right side
    543.75x = 628,452.56
  5. Step 5: Solve for x
    x = 628,452.56/543.75
  6. Step 6: Final answer
    x = 1,155.77

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.