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Finding the Third Proportional to 69,835,540.50 and 164,621,787.75

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Solution

The third proportional to 69,835,540.50 and 164,621,787.75 is: 388,059,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,835,540.50 : 164,621,787.75 = 164,621,787.75 : x
  2. Step 2: Convert to fraction form
    69,835,540.50/164,621,787.75 = 164,621,787.75/x
  3. Step 3: Cross multiply
    69,835,540.50x = 164,621,787.75 × 164,621,787.75
  4. Step 4: Simplify right side
    69,835,540.50x = 27,100,333,002,006,052
  5. Step 5: Solve for x
    x = 27,100,333,002,006,052/69,835,540.50
  6. Step 6: Final answer
    x = 388,059,329.22

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.