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Finding the Third Proportional to 4,959,620,451 and 10,708,208,739

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Solution

The third proportional to 4,959,620,451 and 10,708,208,739 is: 23,119,860,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959,620,451 : 10,708,208,739 = 10,708,208,739 : x
  2. Step 2: Convert to fraction form
    4,959,620,451/10,708,208,739 = 10,708,208,739/x
  3. Step 3: Cross multiply
    4,959,620,451x = 10,708,208,739 × 10,708,208,739
  4. Step 4: Simplify right side
    4,959,620,451x = 114,665,734,397,995,974,656
  5. Step 5: Solve for x
    x = 114,665,734,397,995,974,656/4,959,620,451
  6. Step 6: Final answer
    x = 23,119,860,789.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.