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Finding the Third Proportional to 4,284.77 and 6,472.72

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Solution

The third proportional to 4,284.77 and 6,472.72 is: 9,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.77 : 6,472.72 = 6,472.72 : x
  2. Step 2: Convert to fraction form
    4,284.77/6,472.72 = 6,472.72/x
  3. Step 3: Cross multiply
    4,284.77x = 6,472.72 × 6,472.72
  4. Step 4: Simplify right side
    4,284.77x = 41,896,138.58
  5. Step 5: Solve for x
    x = 41,896,138.58/4,284.77
  6. Step 6: Final answer
    x = 9,777.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.