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Finding the Third Proportional to 136,880,928 and 285,084,684

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Solution

The third proportional to 136,880,928 and 285,084,684 is: 593,751,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,880,928 : 285,084,684 = 285,084,684 : x
  2. Step 2: Convert to fraction form
    136,880,928/285,084,684 = 285,084,684/x
  3. Step 3: Cross multiply
    136,880,928x = 285,084,684 × 285,084,684
  4. Step 4: Simplify right side
    136,880,928x = 81,273,277,051,379,856
  5. Step 5: Solve for x
    x = 81,273,277,051,379,856/136,880,928
  6. Step 6: Final answer
    x = 593,751,651.45

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.