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Finding the Third Proportional to 219,036 and 470,811

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Solution

The third proportional to 219,036 and 470,811 is: 1,011,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,036 : 470,811 = 470,811 : x
  2. Step 2: Convert to fraction form
    219,036/470,811 = 470,811/x
  3. Step 3: Cross multiply
    219,036x = 470,811 × 470,811
  4. Step 4: Simplify right side
    219,036x = 221,662,997,721
  5. Step 5: Solve for x
    x = 221,662,997,721/219,036
  6. Step 6: Final answer
    x = 1,011,993.45

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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.