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Finding the Third Proportional to 824,372,505 and 1,777,881,509

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Solution

The third proportional to 824,372,505 and 1,777,881,509 is: 3,834,265,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,372,505 : 1,777,881,509 = 1,777,881,509 : x
  2. Step 2: Convert to fraction form
    824,372,505/1,777,881,509 = 1,777,881,509/x
  3. Step 3: Cross multiply
    824,372,505x = 1,777,881,509 × 1,777,881,509
  4. Step 4: Simplify right side
    824,372,505x = 3,160,862,660,044,116,992
  5. Step 5: Solve for x
    x = 3,160,862,660,044,116,992/824,372,505
  6. Step 6: Final answer
    x = 3,834,265,020.82

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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.