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Finding the Third Proportional to 90,839,572.88 and 197,012,202.75

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Solution

The third proportional to 90,839,572.88 and 197,012,202.75 is: 427,278,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,839,572.88 : 197,012,202.75 = 197,012,202.75 : x
  2. Step 2: Convert to fraction form
    90,839,572.88/197,012,202.75 = 197,012,202.75/x
  3. Step 3: Cross multiply
    90,839,572.88x = 197,012,202.75 × 197,012,202.75
  4. Step 4: Simplify right side
    90,839,572.88x = 38,813,808,032,407,104
  5. Step 5: Solve for x
    x = 38,813,808,032,407,104/90,839,572.88
  6. Step 6: Final answer
    x = 427,278,627.63

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.