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Finding the Third Proportional to 824,372,638 and 1,777,881,776

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Solution

The third proportional to 824,372,638 and 1,777,881,776 is: 3,834,265,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,372,638 : 1,777,881,776 = 1,777,881,776 : x
  2. Step 2: Convert to fraction form
    824,372,638/1,777,881,776 = 1,777,881,776/x
  3. Step 3: Cross multiply
    824,372,638x = 1,777,881,776 × 1,777,881,776
  4. Step 4: Simplify right side
    824,372,638x = 3,160,863,609,432,913,920
  5. Step 5: Solve for x
    x = 3,160,863,609,432,913,920/824,372,638
  6. Step 6: Final answer
    x = 3,834,265,553.87

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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.