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Finding the Third Proportional to 8,512,281 and 18,517,554

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Solution

The third proportional to 8,512,281 and 18,517,554 is: 40,282,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,281 : 18,517,554 = 18,517,554 : x
  2. Step 2: Convert to fraction form
    8,512,281/18,517,554 = 18,517,554/x
  3. Step 3: Cross multiply
    8,512,281x = 18,517,554 × 18,517,554
  4. Step 4: Simplify right side
    8,512,281x = 342,899,806,142,916
  5. Step 5: Solve for x
    x = 342,899,806,142,916/8,512,281
  6. Step 6: Final answer
    x = 40,282,951.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.