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Finding the Third Proportional to 28,713.75 and 60,837

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Solution

The third proportional to 28,713.75 and 60,837 is: 128,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.75 : 60,837 = 60,837 : x
  2. Step 2: Convert to fraction form
    28,713.75/60,837 = 60,837/x
  3. Step 3: Cross multiply
    28,713.75x = 60,837 × 60,837
  4. Step 4: Simplify right side
    28,713.75x = 3,701,140,569
  5. Step 5: Solve for x
    x = 3,701,140,569/28,713.75
  6. Step 6: Final answer
    x = 128,897.85

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.