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Finding the Third Proportional to 524.75 and 722.88

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Solution

The third proportional to 524.75 and 722.88 is: 995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.75 : 722.88 = 722.88 : x
  2. Step 2: Convert to fraction form
    524.75/722.88 = 722.88/x
  3. Step 3: Cross multiply
    524.75x = 722.88 × 722.88
  4. Step 4: Simplify right side
    524.75x = 522,548.27
  5. Step 5: Solve for x
    x = 522,548.27/524.75
  6. Step 6: Final answer
    x = 995.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.