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Finding the Third Proportional to 273,017,640 and 386,311,590

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Solution

The third proportional to 273,017,640 and 386,311,590 is: 546,619,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,017,640 : 386,311,590 = 386,311,590 : x
  2. Step 2: Convert to fraction form
    273,017,640/386,311,590 = 386,311,590/x
  3. Step 3: Cross multiply
    273,017,640x = 386,311,590 × 386,311,590
  4. Step 4: Simplify right side
    273,017,640x = 149,236,644,568,328,096
  5. Step 5: Solve for x
    x = 149,236,644,568,328,096/273,017,640
  6. Step 6: Final answer
    x = 546,619,055.71

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.