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Finding the Third Proportional to 388,552,032 and 845,182,487

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Solution

The third proportional to 388,552,032 and 845,182,487 is: 1,838,449,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,552,032 : 845,182,487 = 845,182,487 : x
  2. Step 2: Convert to fraction form
    388,552,032/845,182,487 = 845,182,487/x
  3. Step 3: Cross multiply
    388,552,032x = 845,182,487 × 845,182,487
  4. Step 4: Simplify right side
    388,552,032x = 714,333,436,331,505,152
  5. Step 5: Solve for x
    x = 714,333,436,331,505,152/388,552,032
  6. Step 6: Final answer
    x = 1,838,449,879.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.