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Finding the Third Proportional to 9,781,399,000 and 21,484,380,368

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Solution

The third proportional to 9,781,399,000 and 21,484,380,368 is: 47,189,425,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,399,000 : 21,484,380,368 = 21,484,380,368 : x
  2. Step 2: Convert to fraction form
    9,781,399,000/21,484,380,368 = 21,484,380,368/x
  3. Step 3: Cross multiply
    9,781,399,000x = 21,484,380,368 × 21,484,380,368
  4. Step 4: Simplify right side
    9,781,399,000x = 461,578,599,796,903,837,696
  5. Step 5: Solve for x
    x = 461,578,599,796,903,837,696/9,781,399,000
  6. Step 6: Final answer
    x = 47,189,425,540.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.