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Finding the Third Proportional to 28,240.50 and 60,855

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Solution

The third proportional to 28,240.50 and 60,855 is: 131,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.50 : 60,855 = 60,855 : x
  2. Step 2: Convert to fraction form
    28,240.50/60,855 = 60,855/x
  3. Step 3: Cross multiply
    28,240.50x = 60,855 × 60,855
  4. Step 4: Simplify right side
    28,240.50x = 3,703,331,025
  5. Step 5: Solve for x
    x = 3,703,331,025/28,240.50
  6. Step 6: Final answer
    x = 131,135.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.