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Finding the Third Proportional to 239.77 and 524.67

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Solution

The third proportional to 239.77 and 524.67 is: 1,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.77 : 524.67 = 524.67 : x
  2. Step 2: Convert to fraction form
    239.77/524.67 = 524.67/x
  3. Step 3: Cross multiply
    239.77x = 524.67 × 524.67
  4. Step 4: Simplify right side
    239.77x = 275,280.58
  5. Step 5: Solve for x
    x = 275,280.58/239.77
  6. Step 6: Final answer
    x = 1,148.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.