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Finding the Third Proportional to 28,305 and 61,530.75

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Solution

The third proportional to 28,305 and 61,530.75 is: 133,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305 : 61,530.75 = 61,530.75 : x
  2. Step 2: Convert to fraction form
    28,305/61,530.75 = 61,530.75/x
  3. Step 3: Cross multiply
    28,305x = 61,530.75 × 61,530.75
  4. Step 4: Simplify right side
    28,305x = 3,786,033,195.56
  5. Step 5: Solve for x
    x = 3,786,033,195.56/28,305
  6. Step 6: Final answer
    x = 133,758.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.