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Finding the Third Proportional to 15,620.63 and 35,160.75

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Solution

The third proportional to 15,620.63 and 35,160.75 is: 79,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.63 : 35,160.75 = 35,160.75 : x
  2. Step 2: Convert to fraction form
    15,620.63/35,160.75 = 35,160.75/x
  3. Step 3: Cross multiply
    15,620.63x = 35,160.75 × 35,160.75
  4. Step 4: Simplify right side
    15,620.63x = 1,236,278,340.56
  5. Step 5: Solve for x
    x = 1,236,278,340.56/15,620.63
  6. Step 6: Final answer
    x = 79,143.97

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.