Home / 20,150,839.50-30,194,569.50

Finding the Third Proportional to 20,150,839.50 and 30,194,569.50

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Solution

The third proportional to 20,150,839.50 and 30,194,569.50 is: 45,244,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,839.50 : 30,194,569.50 = 30,194,569.50 : x
  2. Step 2: Convert to fraction form
    20,150,839.50/30,194,569.50 = 30,194,569.50/x
  3. Step 3: Cross multiply
    20,150,839.50x = 30,194,569.50 × 30,194,569.50
  4. Step 4: Simplify right side
    20,150,839.50x = 911,712,027,290,330.25
  5. Step 5: Solve for x
    x = 911,712,027,290,330.25/20,150,839.50
  6. Step 6: Final answer
    x = 45,244,369.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.