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Finding the Third Proportional to 13,257,554 and 20,472,435

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Solution

The third proportional to 13,257,554 and 20,472,435 is: 31,613,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,554 : 20,472,435 = 20,472,435 : x
  2. Step 2: Convert to fraction form
    13,257,554/20,472,435 = 20,472,435/x
  3. Step 3: Cross multiply
    13,257,554x = 20,472,435 × 20,472,435
  4. Step 4: Simplify right side
    13,257,554x = 419,120,594,829,225
  5. Step 5: Solve for x
    x = 419,120,594,829,225/13,257,554
  6. Step 6: Final answer
    x = 31,613,719.61

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.