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Finding the Third Proportional to 22,268 and 39,588

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Solution

The third proportional to 22,268 and 39,588 is: 70,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268 : 39,588 = 39,588 : x
  2. Step 2: Convert to fraction form
    22,268/39,588 = 39,588/x
  3. Step 3: Cross multiply
    22,268x = 39,588 × 39,588
  4. Step 4: Simplify right side
    22,268x = 1,567,209,744
  5. Step 5: Solve for x
    x = 1,567,209,744/22,268
  6. Step 6: Final answer
    x = 70,379.46

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.