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Finding the Third Proportional to 158,689,508 and 245,109,027

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Solution

The third proportional to 158,689,508 and 245,109,027 is: 378,591,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,689,508 : 245,109,027 = 245,109,027 : x
  2. Step 2: Convert to fraction form
    158,689,508/245,109,027 = 245,109,027/x
  3. Step 3: Cross multiply
    158,689,508x = 245,109,027 × 245,109,027
  4. Step 4: Simplify right side
    158,689,508x = 60,078,435,116,886,728
  5. Step 5: Solve for x
    x = 60,078,435,116,886,728/158,689,508
  6. Step 6: Final answer
    x = 378,591,098.27

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.