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Finding the Third Proportional to 51,036 and 75,042

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Solution

The third proportional to 51,036 and 75,042 is: 110,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036 : 75,042 = 75,042 : x
  2. Step 2: Convert to fraction form
    51,036/75,042 = 75,042/x
  3. Step 3: Cross multiply
    51,036x = 75,042 × 75,042
  4. Step 4: Simplify right side
    51,036x = 5,631,301,764
  5. Step 5: Solve for x
    x = 5,631,301,764/51,036
  6. Step 6: Final answer
    x = 110,339.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.