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Finding the Third Proportional to 28,256 and 41,518

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Solution

The third proportional to 28,256 and 41,518 is: 61,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256 : 41,518 = 41,518 : x
  2. Step 2: Convert to fraction form
    28,256/41,518 = 41,518/x
  3. Step 3: Cross multiply
    28,256x = 41,518 × 41,518
  4. Step 4: Simplify right side
    28,256x = 1,723,744,324
  5. Step 5: Solve for x
    x = 1,723,744,324/28,256
  6. Step 6: Final answer
    x = 61,004.54

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.