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Finding the Third Proportional to 90,860,026.50 and 198,371,871

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Solution

The third proportional to 90,860,026.50 and 198,371,871 is: 433,099,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,860,026.50 : 198,371,871 = 198,371,871 : x
  2. Step 2: Convert to fraction form
    90,860,026.50/198,371,871 = 198,371,871/x
  3. Step 3: Cross multiply
    90,860,026.50x = 198,371,871 × 198,371,871
  4. Step 4: Simplify right side
    90,860,026.50x = 39,351,399,204,040,640
  5. Step 5: Solve for x
    x = 39,351,399,204,040,640/90,860,026.50
  6. Step 6: Final answer
    x = 433,099,138.53

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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.