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Finding the Third Proportional to 44,079 and 66,216

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Solution

The third proportional to 44,079 and 66,216 is: 99,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,079 : 66,216 = 66,216 : x
  2. Step 2: Convert to fraction form
    44,079/66,216 = 66,216/x
  3. Step 3: Cross multiply
    44,079x = 66,216 × 66,216
  4. Step 4: Simplify right side
    44,079x = 4,384,558,656
  5. Step 5: Solve for x
    x = 4,384,558,656/44,079
  6. Step 6: Final answer
    x = 99,470.47

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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.