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Finding the Third Proportional to 18,512,218,928 and 28,201,452,834

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Solution

The third proportional to 18,512,218,928 and 28,201,452,834 is: 42,961,999,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512,218,928 : 28,201,452,834 = 28,201,452,834 : x
  2. Step 2: Convert to fraction form
    18,512,218,928/28,201,452,834 = 28,201,452,834/x
  3. Step 3: Cross multiply
    18,512,218,928x = 28,201,452,834 × 28,201,452,834
  4. Step 4: Simplify right side
    18,512,218,928x = 795,321,941,948,326,608,896
  5. Step 5: Solve for x
    x = 795,321,941,948,326,608,896/18,512,218,928
  6. Step 6: Final answer
    x = 42,961,999,587.49

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.