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Finding the Third Proportional to 258,945,903 and 554,826,915

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Solution

The third proportional to 258,945,903 and 554,826,915 is: 1,188,792,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,945,903 : 554,826,915 = 554,826,915 : x
  2. Step 2: Convert to fraction form
    258,945,903/554,826,915 = 554,826,915/x
  3. Step 3: Cross multiply
    258,945,903x = 554,826,915 × 554,826,915
  4. Step 4: Simplify right side
    258,945,903x = 307,832,905,608,417,216
  5. Step 5: Solve for x
    x = 307,832,905,608,417,216/258,945,903
  6. Step 6: Final answer
    x = 1,188,792,338.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.