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Finding the Third Proportional to 223,364 and 481,720

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Solution

The third proportional to 223,364 and 481,720 is: 1,038,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,364 : 481,720 = 481,720 : x
  2. Step 2: Convert to fraction form
    223,364/481,720 = 481,720/x
  3. Step 3: Cross multiply
    223,364x = 481,720 × 481,720
  4. Step 4: Simplify right side
    223,364x = 232,054,158,400
  5. Step 5: Solve for x
    x = 232,054,158,400/223,364
  6. Step 6: Final answer
    x = 1,038,905.81

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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.