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Finding the Third Proportional to 239.59 and 524.06

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Solution

The third proportional to 239.59 and 524.06 is: 1,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.59 : 524.06 = 524.06 : x
  2. Step 2: Convert to fraction form
    239.59/524.06 = 524.06/x
  3. Step 3: Cross multiply
    239.59x = 524.06 × 524.06
  4. Step 4: Simplify right side
    239.59x = 274,641.50
  5. Step 5: Solve for x
    x = 274,641.50/239.59
  6. Step 6: Final answer
    x = 1,146.28

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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.