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Finding the Third Proportional to 1,928,158,679 and 2,715,272,308

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Solution

The third proportional to 1,928,158,679 and 2,715,272,308 is: 3,823,701,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,158,679 : 2,715,272,308 = 2,715,272,308 : x
  2. Step 2: Convert to fraction form
    1,928,158,679/2,715,272,308 = 2,715,272,308/x
  3. Step 3: Cross multiply
    1,928,158,679x = 2,715,272,308 × 2,715,272,308
  4. Step 4: Simplify right side
    1,928,158,679x = 7,372,703,706,591,646,720
  5. Step 5: Solve for x
    x = 7,372,703,706,591,646,720/1,928,158,679
  6. Step 6: Final answer
    x = 3,823,701,745.55

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.