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Finding the Third Proportional to 9,105,824,628 and 20,305,372,234.50

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Solution

The third proportional to 9,105,824,628 and 20,305,372,234.50 is: 45,279,604,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105,824,628 : 20,305,372,234.50 = 20,305,372,234.50 : x
  2. Step 2: Convert to fraction form
    9,105,824,628/20,305,372,234.50 = 20,305,372,234.50/x
  3. Step 3: Cross multiply
    9,105,824,628x = 20,305,372,234.50 × 20,305,372,234.50
  4. Step 4: Simplify right side
    9,105,824,628x = 412,308,141,581,603,504,128
  5. Step 5: Solve for x
    x = 412,308,141,581,603,504,128/9,105,824,628
  6. Step 6: Final answer
    x = 45,279,604,915.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.