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Finding the Third Proportional to 4,647.75 and 6,500.81

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Solution

The third proportional to 4,647.75 and 6,500.81 is: 9,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.75 : 6,500.81 = 6,500.81 : x
  2. Step 2: Convert to fraction form
    4,647.75/6,500.81 = 6,500.81/x
  3. Step 3: Cross multiply
    4,647.75x = 6,500.81 × 6,500.81
  4. Step 4: Simplify right side
    4,647.75x = 42,260,563.16
  5. Step 5: Solve for x
    x = 42,260,563.16/4,647.75
  6. Step 6: Final answer
    x = 9,092.69

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.