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Finding the Third Proportional to 3,207.75 and 4,784.25

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Solution

The third proportional to 3,207.75 and 4,784.25 is: 7,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.75 : 4,784.25 = 4,784.25 : x
  2. Step 2: Convert to fraction form
    3,207.75/4,784.25 = 4,784.25/x
  3. Step 3: Cross multiply
    3,207.75x = 4,784.25 × 4,784.25
  4. Step 4: Simplify right side
    3,207.75x = 22,889,048.06
  5. Step 5: Solve for x
    x = 22,889,048.06/3,207.75
  6. Step 6: Final answer
    x = 7,135.55

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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.