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Finding the Third Proportional to 246.80 and 527.77

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Solution

The third proportional to 246.80 and 527.77 is: 1,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.80 : 527.77 = 527.77 : x
  2. Step 2: Convert to fraction form
    246.80/527.77 = 527.77/x
  3. Step 3: Cross multiply
    246.80x = 527.77 × 527.77
  4. Step 4: Simplify right side
    246.80x = 278,536.55
  5. Step 5: Solve for x
    x = 278,536.55/246.80
  6. Step 6: Final answer
    x = 1,128.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.