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Finding the Third Proportional to 4,925.81 and 7,836.75

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Solution

The third proportional to 4,925.81 and 7,836.75 is: 12,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.81 : 7,836.75 = 7,836.75 : x
  2. Step 2: Convert to fraction form
    4,925.81/7,836.75 = 7,836.75/x
  3. Step 3: Cross multiply
    4,925.81x = 7,836.75 × 7,836.75
  4. Step 4: Simplify right side
    4,925.81x = 61,414,650.56
  5. Step 5: Solve for x
    x = 61,414,650.56/4,925.81
  6. Step 6: Final answer
    x = 12,467.92

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.