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Finding the Third Proportional to 4,578,558,344 and 9,917,747,008

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Solution

The third proportional to 4,578,558,344 and 9,917,747,008 is: 21,483,117,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578,558,344 : 9,917,747,008 = 9,917,747,008 : x
  2. Step 2: Convert to fraction form
    4,578,558,344/9,917,747,008 = 9,917,747,008/x
  3. Step 3: Cross multiply
    4,578,558,344x = 9,917,747,008 × 9,917,747,008
  4. Step 4: Simplify right side
    4,578,558,344x = 98,361,705,714,692,947,968
  5. Step 5: Solve for x
    x = 98,361,705,714,692,947,968/4,578,558,344
  6. Step 6: Final answer
    x = 21,483,117,244.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.