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Finding the Third Proportional to 98,990,922 and 145,455,198

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Solution

The third proportional to 98,990,922 and 145,455,198 is: 213,728,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,990,922 : 145,455,198 = 145,455,198 : x
  2. Step 2: Convert to fraction form
    98,990,922/145,455,198 = 145,455,198/x
  3. Step 3: Cross multiply
    98,990,922x = 145,455,198 × 145,455,198
  4. Step 4: Simplify right side
    98,990,922x = 21,157,214,625,219,204
  5. Step 5: Solve for x
    x = 21,157,214,625,219,204/98,990,922
  6. Step 6: Final answer
    x = 213,728,836.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.