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Finding the Third Proportional to 14,628.94 and 31,479.75

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Solution

The third proportional to 14,628.94 and 31,479.75 is: 67,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.94 : 31,479.75 = 31,479.75 : x
  2. Step 2: Convert to fraction form
    14,628.94/31,479.75 = 31,479.75/x
  3. Step 3: Cross multiply
    14,628.94x = 31,479.75 × 31,479.75
  4. Step 4: Simplify right side
    14,628.94x = 990,974,660.06
  5. Step 5: Solve for x
    x = 990,974,660.06/14,628.94
  6. Step 6: Final answer
    x = 67,740.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.