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Finding the Third Proportional to 149,229,589.50 and 321,133,995

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Solution

The third proportional to 149,229,589.50 and 321,133,995 is: 691,062,966.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,229,589.50 : 321,133,995 = 321,133,995 : x
  2. Step 2: Convert to fraction form
    149,229,589.50/321,133,995 = 321,133,995/x
  3. Step 3: Cross multiply
    149,229,589.50x = 321,133,995 × 321,133,995
  4. Step 4: Simplify right side
    149,229,589.50x = 103,127,042,744,660,032
  5. Step 5: Solve for x
    x = 103,127,042,744,660,032/149,229,589.50
  6. Step 6: Final answer
    x = 691,062,966.07

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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.