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Finding the Third Proportional to 211,079,826 and 322,897,131

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Solution

The third proportional to 211,079,826 and 322,897,131 is: 493,948,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,079,826 : 322,897,131 = 322,897,131 : x
  2. Step 2: Convert to fraction form
    211,079,826/322,897,131 = 322,897,131/x
  3. Step 3: Cross multiply
    211,079,826x = 322,897,131 × 322,897,131
  4. Step 4: Simplify right side
    211,079,826x = 104,262,557,208,031,168
  5. Step 5: Solve for x
    x = 104,262,557,208,031,168/211,079,826
  6. Step 6: Final answer
    x = 493,948,470.51

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.