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Finding the Third Proportional to 2,239,118,661 and 4,858,842,390

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Solution

The third proportional to 2,239,118,661 and 4,858,842,390 is: 10,543,590,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,118,661 : 4,858,842,390 = 4,858,842,390 : x
  2. Step 2: Convert to fraction form
    2,239,118,661/4,858,842,390 = 4,858,842,390/x
  3. Step 3: Cross multiply
    2,239,118,661x = 4,858,842,390 × 4,858,842,390
  4. Step 4: Simplify right side
    2,239,118,661x = 23,608,349,370,860,912,640
  5. Step 5: Solve for x
    x = 23,608,349,370,860,912,640/2,239,118,661
  6. Step 6: Final answer
    x = 10,543,590,110.73

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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.