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Finding the Third Proportional to 222,061.50 and 488,399.63

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Solution

The third proportional to 222,061.50 and 488,399.63 is: 1,074,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,061.50 : 488,399.63 = 488,399.63 : x
  2. Step 2: Convert to fraction form
    222,061.50/488,399.63 = 488,399.63/x
  3. Step 3: Cross multiply
    222,061.50x = 488,399.63 × 488,399.63
  4. Step 4: Simplify right side
    222,061.50x = 238,534,193,700.14
  5. Step 5: Solve for x
    x = 238,534,193,700.14/222,061.50
  6. Step 6: Final answer
    x = 1,074,180.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.