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Finding the Third Proportional to 15,661.50 and 24,240

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Solution

The third proportional to 15,661.50 and 24,240 is: 37,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.50 : 24,240 = 24,240 : x
  2. Step 2: Convert to fraction form
    15,661.50/24,240 = 24,240/x
  3. Step 3: Cross multiply
    15,661.50x = 24,240 × 24,240
  4. Step 4: Simplify right side
    15,661.50x = 587,577,600
  5. Step 5: Solve for x
    x = 587,577,600/15,661.50
  6. Step 6: Final answer
    x = 37,517.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.