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Finding the Third Proportional to 15,690,556 and 36,640,123

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Solution

The third proportional to 15,690,556 and 36,640,123 is: 85,560,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690,556 : 36,640,123 = 36,640,123 : x
  2. Step 2: Convert to fraction form
    15,690,556/36,640,123 = 36,640,123/x
  3. Step 3: Cross multiply
    15,690,556x = 36,640,123 × 36,640,123
  4. Step 4: Simplify right side
    15,690,556x = 1,342,498,613,455,129
  5. Step 5: Solve for x
    x = 1,342,498,613,455,129/15,690,556
  6. Step 6: Final answer
    x = 85,560,933.18

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.