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Finding the Third Proportional to 9,685,008,020 and 20,855,398,504

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Solution

The third proportional to 9,685,008,020 and 20,855,398,504 is: 44,909,373,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685,008,020 : 20,855,398,504 = 20,855,398,504 : x
  2. Step 2: Convert to fraction form
    9,685,008,020/20,855,398,504 = 20,855,398,504/x
  3. Step 3: Cross multiply
    9,685,008,020x = 20,855,398,504 × 20,855,398,504
  4. Step 4: Simplify right side
    9,685,008,020x = 434,947,646,760,645,427,200
  5. Step 5: Solve for x
    x = 434,947,646,760,645,427,200/9,685,008,020
  6. Step 6: Final answer
    x = 44,909,373,937.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.