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Finding the Third Proportional to 1,982,934,328 and 2,999,904,741

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Solution

The third proportional to 1,982,934,328 and 2,999,904,741 is: 4,538,439,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,934,328 : 2,999,904,741 = 2,999,904,741 : x
  2. Step 2: Convert to fraction form
    1,982,934,328/2,999,904,741 = 2,999,904,741/x
  3. Step 3: Cross multiply
    1,982,934,328x = 2,999,904,741 × 2,999,904,741
  4. Step 4: Simplify right side
    1,982,934,328x = 8,999,428,455,074,277,376
  5. Step 5: Solve for x
    x = 8,999,428,455,074,277,376/1,982,934,328
  6. Step 6: Final answer
    x = 4,538,439,991.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.