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Finding the Third Proportional to 55,328 and 79,536

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Solution

The third proportional to 55,328 and 79,536 is: 114,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328 : 79,536 = 79,536 : x
  2. Step 2: Convert to fraction form
    55,328/79,536 = 79,536/x
  3. Step 3: Cross multiply
    55,328x = 79,536 × 79,536
  4. Step 4: Simplify right side
    55,328x = 6,325,975,296
  5. Step 5: Solve for x
    x = 6,325,975,296/55,328
  6. Step 6: Final answer
    x = 114,335.88

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.