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Finding the Third Proportional to 18,399,894,336 and 30,042,189,792

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Solution

The third proportional to 18,399,894,336 and 30,042,189,792 is: 49,050,997,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399,894,336 : 30,042,189,792 = 30,042,189,792 : x
  2. Step 2: Convert to fraction form
    18,399,894,336/30,042,189,792 = 30,042,189,792/x
  3. Step 3: Cross multiply
    18,399,894,336x = 30,042,189,792 × 30,042,189,792
  4. Step 4: Simplify right side
    18,399,894,336x = 902,533,167,498,549,002,240
  5. Step 5: Solve for x
    x = 902,533,167,498,549,002,240/18,399,894,336
  6. Step 6: Final answer
    x = 49,050,997,305.60

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.