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Finding the Third Proportional to 243.50 and 524

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Solution

The third proportional to 243.50 and 524 is: 1,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.50 : 524 = 524 : x
  2. Step 2: Convert to fraction form
    243.50/524 = 524/x
  3. Step 3: Cross multiply
    243.50x = 524 × 524
  4. Step 4: Simplify right side
    243.50x = 274,576
  5. Step 5: Solve for x
    x = 274,576/243.50
  6. Step 6: Final answer
    x = 1,127.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.