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Finding the Third Proportional to 4,111.50 and 6,368.25

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Solution

The third proportional to 4,111.50 and 6,368.25 is: 9,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.50 : 6,368.25 = 6,368.25 : x
  2. Step 2: Convert to fraction form
    4,111.50/6,368.25 = 6,368.25/x
  3. Step 3: Cross multiply
    4,111.50x = 6,368.25 × 6,368.25
  4. Step 4: Simplify right side
    4,111.50x = 40,554,608.06
  5. Step 5: Solve for x
    x = 40,554,608.06/4,111.50
  6. Step 6: Final answer
    x = 9,863.70

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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.