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Finding the Third Proportional to 527.06 and 827.16

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Solution

The third proportional to 527.06 and 827.16 is: 1,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.06 : 827.16 = 827.16 : x
  2. Step 2: Convert to fraction form
    527.06/827.16 = 827.16/x
  3. Step 3: Cross multiply
    527.06x = 827.16 × 827.16
  4. Step 4: Simplify right side
    527.06x = 684,187.46
  5. Step 5: Solve for x
    x = 684,187.46/527.06
  6. Step 6: Final answer
    x = 1,298.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.