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Finding the Third Proportional to 90,875,108 and 195,607,048

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Solution

The third proportional to 90,875,108 and 195,607,048 is: 421,040,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,875,108 : 195,607,048 = 195,607,048 : x
  2. Step 2: Convert to fraction form
    90,875,108/195,607,048 = 195,607,048/x
  3. Step 3: Cross multiply
    90,875,108x = 195,607,048 × 195,607,048
  4. Step 4: Simplify right side
    90,875,108x = 38,262,117,227,274,304
  5. Step 5: Solve for x
    x = 38,262,117,227,274,304/90,875,108
  6. Step 6: Final answer
    x = 421,040,679.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.