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Finding the Third Proportional to 52,689.50 and 79,036

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Solution

The third proportional to 52,689.50 and 79,036 is: 118,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689.50 : 79,036 = 79,036 : x
  2. Step 2: Convert to fraction form
    52,689.50/79,036 = 79,036/x
  3. Step 3: Cross multiply
    52,689.50x = 79,036 × 79,036
  4. Step 4: Simplify right side
    52,689.50x = 6,246,689,296
  5. Step 5: Solve for x
    x = 6,246,689,296/52,689.50
  6. Step 6: Final answer
    x = 118,556.63

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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.