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Finding the Third Proportional to 51,878 and 75,063

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Solution

The third proportional to 51,878 and 75,063 is: 108,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878 : 75,063 = 75,063 : x
  2. Step 2: Convert to fraction form
    51,878/75,063 = 75,063/x
  3. Step 3: Cross multiply
    51,878x = 75,063 × 75,063
  4. Step 4: Simplify right side
    51,878x = 5,634,453,969
  5. Step 5: Solve for x
    x = 5,634,453,969/51,878
  6. Step 6: Final answer
    x = 108,609.70

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.