Home / 20,131,179.75-30,782,257.88

Finding the Third Proportional to 20,131,179.75 and 30,782,257.88

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Solution

The third proportional to 20,131,179.75 and 30,782,257.88 is: 47,068,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131,179.75 : 30,782,257.88 = 30,782,257.88 : x
  2. Step 2: Convert to fraction form
    20,131,179.75/30,782,257.88 = 30,782,257.88/x
  3. Step 3: Cross multiply
    20,131,179.75x = 30,782,257.88 × 30,782,257.88
  4. Step 4: Simplify right side
    20,131,179.75x = 947,547,399,882,999.50
  5. Step 5: Solve for x
    x = 947,547,399,882,999.50/20,131,179.75
  6. Step 6: Final answer
    x = 47,068,647.32

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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.