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Finding the Third Proportional to 33,215,305.50 and 72,474,658.88

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Solution

The third proportional to 33,215,305.50 and 72,474,658.88 is: 158,137,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215,305.50 : 72,474,658.88 = 72,474,658.88 : x
  2. Step 2: Convert to fraction form
    33,215,305.50/72,474,658.88 = 72,474,658.88/x
  3. Step 3: Cross multiply
    33,215,305.50x = 72,474,658.88 × 72,474,658.88
  4. Step 4: Simplify right side
    33,215,305.50x = 5,252,576,179,047,616
  5. Step 5: Solve for x
    x = 5,252,576,179,047,616/33,215,305.50
  6. Step 6: Final answer
    x = 158,137,223.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.