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Finding the Third Proportional to 55,256 and 84,792

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Solution

The third proportional to 55,256 and 84,792 is: 130,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256 : 84,792 = 84,792 : x
  2. Step 2: Convert to fraction form
    55,256/84,792 = 84,792/x
  3. Step 3: Cross multiply
    55,256x = 84,792 × 84,792
  4. Step 4: Simplify right side
    55,256x = 7,189,683,264
  5. Step 5: Solve for x
    x = 7,189,683,264/55,256
  6. Step 6: Final answer
    x = 130,115.88

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.