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Finding the Third Proportional to 47,844 and 66,886

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Solution

The third proportional to 47,844 and 66,886 is: 93,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,844 : 66,886 = 66,886 : x
  2. Step 2: Convert to fraction form
    47,844/66,886 = 66,886/x
  3. Step 3: Cross multiply
    47,844x = 66,886 × 66,886
  4. Step 4: Simplify right side
    47,844x = 4,473,736,996
  5. Step 5: Solve for x
    x = 4,473,736,996/47,844
  6. Step 6: Final answer
    x = 93,506.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.