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Finding the Third Proportional to 217,902 and 470,232

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Solution

The third proportional to 217,902 and 470,232 is: 1,014,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,902 : 470,232 = 470,232 : x
  2. Step 2: Convert to fraction form
    217,902/470,232 = 470,232/x
  3. Step 3: Cross multiply
    217,902x = 470,232 × 470,232
  4. Step 4: Simplify right side
    217,902x = 221,118,133,824
  5. Step 5: Solve for x
    x = 221,118,133,824/217,902
  6. Step 6: Final answer
    x = 1,014,759.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.