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Finding the Third Proportional to 70,347,976.50 and 152,728,017

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Solution

The third proportional to 70,347,976.50 and 152,728,017 is: 331,578,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347,976.50 : 152,728,017 = 152,728,017 : x
  2. Step 2: Convert to fraction form
    70,347,976.50/152,728,017 = 152,728,017/x
  3. Step 3: Cross multiply
    70,347,976.50x = 152,728,017 × 152,728,017
  4. Step 4: Simplify right side
    70,347,976.50x = 23,325,847,176,752,288
  5. Step 5: Solve for x
    x = 23,325,847,176,752,288/70,347,976.50
  6. Step 6: Final answer
    x = 331,578,082.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.