Home / 20,131,395.75-30,782,085.75

Finding the Third Proportional to 20,131,395.75 and 30,782,085.75

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Solution

The third proportional to 20,131,395.75 and 30,782,085.75 is: 47,067,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131,395.75 : 30,782,085.75 = 30,782,085.75 : x
  2. Step 2: Convert to fraction form
    20,131,395.75/30,782,085.75 = 30,782,085.75/x
  3. Step 3: Cross multiply
    20,131,395.75x = 30,782,085.75 × 30,782,085.75
  4. Step 4: Simplify right side
    20,131,395.75x = 947,536,803,120,353
  5. Step 5: Solve for x
    x = 947,536,803,120,353/20,131,395.75
  6. Step 6: Final answer
    x = 47,067,615.92

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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.