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Finding the Third Proportional to 199,841,980 and 299,761,980

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Solution

The third proportional to 199,841,980 and 299,761,980 is: 449,641,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,841,980 : 299,761,980 = 299,761,980 : x
  2. Step 2: Convert to fraction form
    199,841,980/299,761,980 = 299,761,980/x
  3. Step 3: Cross multiply
    199,841,980x = 299,761,980 × 299,761,980
  4. Step 4: Simplify right side
    199,841,980x = 89,857,244,653,520,400
  5. Step 5: Solve for x
    x = 89,857,244,653,520,400/199,841,980
  6. Step 6: Final answer
    x = 449,641,485.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.