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Finding the Third Proportional to 90,784,883 and 188,029,543

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Solution

The third proportional to 90,784,883 and 188,029,543 is: 389,438,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784,883 : 188,029,543 = 188,029,543 : x
  2. Step 2: Convert to fraction form
    90,784,883/188,029,543 = 188,029,543/x
  3. Step 3: Cross multiply
    90,784,883x = 188,029,543 × 188,029,543
  4. Step 4: Simplify right side
    90,784,883x = 35,355,109,040,788,848
  5. Step 5: Solve for x
    x = 35,355,109,040,788,848/90,784,883
  6. Step 6: Final answer
    x = 389,438,283.91

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.