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Finding the Third Proportional to 3,207.09 and 4,763.81

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Solution

The third proportional to 3,207.09 and 4,763.81 is: 7,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.09 : 4,763.81 = 4,763.81 : x
  2. Step 2: Convert to fraction form
    3,207.09/4,763.81 = 4,763.81/x
  3. Step 3: Cross multiply
    3,207.09x = 4,763.81 × 4,763.81
  4. Step 4: Simplify right side
    3,207.09x = 22,693,909.54
  5. Step 5: Solve for x
    x = 22,693,909.54/3,207.09
  6. Step 6: Final answer
    x = 7,076.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.