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Finding the Third Proportional to 4,260.75 and 9,310.88

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Solution

The third proportional to 4,260.75 and 9,310.88 is: 20,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.75 : 9,310.88 = 9,310.88 : x
  2. Step 2: Convert to fraction form
    4,260.75/9,310.88 = 9,310.88/x
  3. Step 3: Cross multiply
    4,260.75x = 9,310.88 × 9,310.88
  4. Step 4: Simplify right side
    4,260.75x = 86,692,393.27
  5. Step 5: Solve for x
    x = 86,692,393.27/4,260.75
  6. Step 6: Final answer
    x = 20,346.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.