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Finding the Third Proportional to 30,579.19 and 62,020.69

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Solution

The third proportional to 30,579.19 and 62,020.69 is: 125,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579.19 : 62,020.69 = 62,020.69 : x
  2. Step 2: Convert to fraction form
    30,579.19/62,020.69 = 62,020.69/x
  3. Step 3: Cross multiply
    30,579.19x = 62,020.69 × 62,020.69
  4. Step 4: Simplify right side
    30,579.19x = 3,846,565,677.97
  5. Step 5: Solve for x
    x = 3,846,565,677.97/30,579.19
  6. Step 6: Final answer
    x = 125,790.32

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.