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Finding the Third Proportional to 4,203,621.56 and 8,742,735

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Solution

The third proportional to 4,203,621.56 and 8,742,735 is: 18,183,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203,621.56 : 8,742,735 = 8,742,735 : x
  2. Step 2: Convert to fraction form
    4,203,621.56/8,742,735 = 8,742,735/x
  3. Step 3: Cross multiply
    4,203,621.56x = 8,742,735 × 8,742,735
  4. Step 4: Simplify right side
    4,203,621.56x = 76,435,415,280,225
  5. Step 5: Solve for x
    x = 76,435,415,280,225/4,203,621.56
  6. Step 6: Final answer
    x = 18,183,229.42

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.