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Finding the Third Proportional to 3,925.88 and 6,992.63

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Solution

The third proportional to 3,925.88 and 6,992.63 is: 12,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.88 : 6,992.63 = 6,992.63 : x
  2. Step 2: Convert to fraction form
    3,925.88/6,992.63 = 6,992.63/x
  3. Step 3: Cross multiply
    3,925.88x = 6,992.63 × 6,992.63
  4. Step 4: Simplify right side
    3,925.88x = 48,896,804.39
  5. Step 5: Solve for x
    x = 48,896,804.39/3,925.88
  6. Step 6: Final answer
    x = 12,455.01

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.