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Finding the Third Proportional to 13,697,512.88 and 20,564,286.75

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Solution

The third proportional to 13,697,512.88 and 20,564,286.75 is: 30,873,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,512.88 : 20,564,286.75 = 20,564,286.75 : x
  2. Step 2: Convert to fraction form
    13,697,512.88/20,564,286.75 = 20,564,286.75/x
  3. Step 3: Cross multiply
    13,697,512.88x = 20,564,286.75 × 20,564,286.75
  4. Step 4: Simplify right side
    13,697,512.88x = 422,889,889,536,225.56
  5. Step 5: Solve for x
    x = 422,889,889,536,225.56/13,697,512.88
  6. Step 6: Final answer
    x = 30,873,479.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.