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Finding the Third Proportional to 55,395 and 83,074

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Solution

The third proportional to 55,395 and 83,074 is: 124,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395 : 83,074 = 83,074 : x
  2. Step 2: Convert to fraction form
    55,395/83,074 = 83,074/x
  3. Step 3: Cross multiply
    55,395x = 83,074 × 83,074
  4. Step 4: Simplify right side
    55,395x = 6,901,289,476
  5. Step 5: Solve for x
    x = 6,901,289,476/55,395
  6. Step 6: Final answer
    x = 124,583.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.