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Finding the Third Proportional to 30,844 and 66,068

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Solution

The third proportional to 30,844 and 66,068 is: 141,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,844 : 66,068 = 66,068 : x
  2. Step 2: Convert to fraction form
    30,844/66,068 = 66,068/x
  3. Step 3: Cross multiply
    30,844x = 66,068 × 66,068
  4. Step 4: Simplify right side
    30,844x = 4,364,980,624
  5. Step 5: Solve for x
    x = 4,364,980,624/30,844
  6. Step 6: Final answer
    x = 141,517.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.