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Finding the Third Proportional to 246.56 and 532.78

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Solution

The third proportional to 246.56 and 532.78 is: 1,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.56 : 532.78 = 532.78 : x
  2. Step 2: Convert to fraction form
    246.56/532.78 = 532.78/x
  3. Step 3: Cross multiply
    246.56x = 532.78 × 532.78
  4. Step 4: Simplify right side
    246.56x = 283,855.86
  5. Step 5: Solve for x
    x = 283,855.86/246.56
  6. Step 6: Final answer
    x = 1,151.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.