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Finding the Third Proportional to 56,256 and 83,518

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Solution

The third proportional to 56,256 and 83,518 is: 123,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,256 : 83,518 = 83,518 : x
  2. Step 2: Convert to fraction form
    56,256/83,518 = 83,518/x
  3. Step 3: Cross multiply
    56,256x = 83,518 × 83,518
  4. Step 4: Simplify right side
    56,256x = 6,975,256,324
  5. Step 5: Solve for x
    x = 6,975,256,324/56,256
  6. Step 6: Final answer
    x = 123,991.33

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.