Home / 20,279,613.75-30,930,206.75

Finding the Third Proportional to 20,279,613.75 and 30,930,206.75

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Solution

The third proportional to 20,279,613.75 and 30,930,206.75 is: 47,174,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,279,613.75 : 30,930,206.75 = 30,930,206.75 : x
  2. Step 2: Convert to fraction form
    20,279,613.75/30,930,206.75 = 30,930,206.75/x
  3. Step 3: Cross multiply
    20,279,613.75x = 30,930,206.75 × 30,930,206.75
  4. Step 4: Simplify right side
    20,279,613.75x = 956,677,689,597,745.50
  5. Step 5: Solve for x
    x = 956,677,689,597,745.50/20,279,613.75
  6. Step 6: Final answer
    x = 47,174,354.57

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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.