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Finding the Third Proportional to 3,905,604,390 and 5,894,726,091

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Solution

The third proportional to 3,905,604,390 and 5,894,726,091 is: 8,896,906,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,604,390 : 5,894,726,091 = 5,894,726,091 : x
  2. Step 2: Convert to fraction form
    3,905,604,390/5,894,726,091 = 5,894,726,091/x
  3. Step 3: Cross multiply
    3,905,604,390x = 5,894,726,091 × 5,894,726,091
  4. Step 4: Simplify right side
    3,905,604,390x = 34,747,795,687,916,138,496
  5. Step 5: Solve for x
    x = 34,747,795,687,916,138,496/3,905,604,390
  6. Step 6: Final answer
    x = 8,896,906,142.59

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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.