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Finding the Third Proportional to 255.94 and 526.13

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Solution

The third proportional to 255.94 and 526.13 is: 1,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.94 : 526.13 = 526.13 : x
  2. Step 2: Convert to fraction form
    255.94/526.13 = 526.13/x
  3. Step 3: Cross multiply
    255.94x = 526.13 × 526.13
  4. Step 4: Simplify right side
    255.94x = 276,807.52
  5. Step 5: Solve for x
    x = 276,807.52/255.94
  6. Step 6: Final answer
    x = 1,081.54

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.