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Finding the Third Proportional to 15,241.50 and 16,659

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Solution

The third proportional to 15,241.50 and 16,659 is: 18,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.50 : 16,659 = 16,659 : x
  2. Step 2: Convert to fraction form
    15,241.50/16,659 = 16,659/x
  3. Step 3: Cross multiply
    15,241.50x = 16,659 × 16,659
  4. Step 4: Simplify right side
    15,241.50x = 277,522,281
  5. Step 5: Solve for x
    x = 277,522,281/15,241.50
  6. Step 6: Final answer
    x = 18,208.33

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.