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Finding the Third Proportional to 33,215,307.75 and 72,474,663.75

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Solution

The third proportional to 33,215,307.75 and 72,474,663.75 is: 158,137,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215,307.75 : 72,474,663.75 = 72,474,663.75 : x
  2. Step 2: Convert to fraction form
    33,215,307.75/72,474,663.75 = 72,474,663.75/x
  3. Step 3: Cross multiply
    33,215,307.75x = 72,474,663.75 × 72,474,663.75
  4. Step 4: Simplify right side
    33,215,307.75x = 5,252,576,885,675,564
  5. Step 5: Solve for x
    x = 5,252,576,885,675,564/33,215,307.75
  6. Step 6: Final answer
    x = 158,137,233.75

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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.