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Finding the Third Proportional to 90,874,546 and 195,605,926

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Solution

The third proportional to 90,874,546 and 195,605,926 is: 421,038,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,546 : 195,605,926 = 195,605,926 : x
  2. Step 2: Convert to fraction form
    90,874,546/195,605,926 = 195,605,926/x
  3. Step 3: Cross multiply
    90,874,546x = 195,605,926 × 195,605,926
  4. Step 4: Simplify right side
    90,874,546x = 38,261,678,286,317,472
  5. Step 5: Solve for x
    x = 38,261,678,286,317,472/90,874,546
  6. Step 6: Final answer
    x = 421,038,453.24

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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.