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Finding the Third Proportional to 4,164.75 and 6,446.25

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Solution

The third proportional to 4,164.75 and 6,446.25 is: 9,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.75 : 6,446.25 = 6,446.25 : x
  2. Step 2: Convert to fraction form
    4,164.75/6,446.25 = 6,446.25/x
  3. Step 3: Cross multiply
    4,164.75x = 6,446.25 × 6,446.25
  4. Step 4: Simplify right side
    4,164.75x = 41,554,139.06
  5. Step 5: Solve for x
    x = 41,554,139.06/4,164.75
  6. Step 6: Final answer
    x = 9,977.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.