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Finding the Third Proportional to 4,197,874,397 and 9,186,536,314

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Solution

The third proportional to 4,197,874,397 and 9,186,536,314 is: 20,103,614,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197,874,397 : 9,186,536,314 = 9,186,536,314 : x
  2. Step 2: Convert to fraction form
    4,197,874,397/9,186,536,314 = 9,186,536,314/x
  3. Step 3: Cross multiply
    4,197,874,397x = 9,186,536,314 × 9,186,536,314
  4. Step 4: Simplify right side
    4,197,874,397x = 84,392,449,448,440,709,120
  5. Step 5: Solve for x
    x = 84,392,449,448,440,709,120/4,197,874,397
  6. Step 6: Final answer
    x = 20,103,614,702.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.