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Finding the Third Proportional to 9,861,369,498 and 21,119,067,270

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Solution

The third proportional to 9,861,369,498 and 21,119,067,270 is: 45,228,505,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861,369,498 : 21,119,067,270 = 21,119,067,270 : x
  2. Step 2: Convert to fraction form
    9,861,369,498/21,119,067,270 = 21,119,067,270/x
  3. Step 3: Cross multiply
    9,861,369,498x = 21,119,067,270 × 21,119,067,270
  4. Step 4: Simplify right side
    9,861,369,498x = 446,015,002,354,785,255,424
  5. Step 5: Solve for x
    x = 446,015,002,354,785,255,424/9,861,369,498
  6. Step 6: Final answer
    x = 45,228,505,274.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.