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Finding the Third Proportional to 219,039 and 470,800

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Solution

The third proportional to 219,039 and 470,800 is: 1,011,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,039 : 470,800 = 470,800 : x
  2. Step 2: Convert to fraction form
    219,039/470,800 = 470,800/x
  3. Step 3: Cross multiply
    219,039x = 470,800 × 470,800
  4. Step 4: Simplify right side
    219,039x = 221,652,640,000
  5. Step 5: Solve for x
    x = 221,652,640,000/219,039
  6. Step 6: Final answer
    x = 1,011,932.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.