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Finding the Third Proportional to 4,379,856.75 and 9,365,005.25

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Solution

The third proportional to 4,379,856.75 and 9,365,005.25 is: 20,024,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379,856.75 : 9,365,005.25 = 9,365,005.25 : x
  2. Step 2: Convert to fraction form
    4,379,856.75/9,365,005.25 = 9,365,005.25/x
  3. Step 3: Cross multiply
    4,379,856.75x = 9,365,005.25 × 9,365,005.25
  4. Step 4: Simplify right side
    4,379,856.75x = 87,703,323,332,527.56
  5. Step 5: Solve for x
    x = 87,703,323,332,527.56/4,379,856.75
  6. Step 6: Final answer
    x = 20,024,244.70

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.