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Finding the Third Proportional to 59,964 and 86,631

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Solution

The third proportional to 59,964 and 86,631 is: 125,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,964 : 86,631 = 86,631 : x
  2. Step 2: Convert to fraction form
    59,964/86,631 = 86,631/x
  3. Step 3: Cross multiply
    59,964x = 86,631 × 86,631
  4. Step 4: Simplify right side
    59,964x = 7,504,930,161
  5. Step 5: Solve for x
    x = 7,504,930,161/59,964
  6. Step 6: Final answer
    x = 125,157.26

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.