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Finding the Third Proportional to 28,540.13 and 61,653.56

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Solution

The third proportional to 28,540.13 and 61,653.56 is: 133,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.13 : 61,653.56 = 61,653.56 : x
  2. Step 2: Convert to fraction form
    28,540.13/61,653.56 = 61,653.56/x
  3. Step 3: Cross multiply
    28,540.13x = 61,653.56 × 61,653.56
  4. Step 4: Simplify right side
    28,540.13x = 3,801,161,768.94
  5. Step 5: Solve for x
    x = 3,801,161,768.94/28,540.13
  6. Step 6: Final answer
    x = 133,186.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.