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Finding the Third Proportional to 27,915 and 60,840.75

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Solution

The third proportional to 27,915 and 60,840.75 is: 132,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915 : 60,840.75 = 60,840.75 : x
  2. Step 2: Convert to fraction form
    27,915/60,840.75 = 60,840.75/x
  3. Step 3: Cross multiply
    27,915x = 60,840.75 × 60,840.75
  4. Step 4: Simplify right side
    27,915x = 3,701,596,860.56
  5. Step 5: Solve for x
    x = 3,701,596,860.56/27,915
  6. Step 6: Final answer
    x = 132,602.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.