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Finding the Third Proportional to 181,752 and 399,600

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Solution

The third proportional to 181,752 and 399,600 is: 878,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,752 : 399,600 = 399,600 : x
  2. Step 2: Convert to fraction form
    181,752/399,600 = 399,600/x
  3. Step 3: Cross multiply
    181,752x = 399,600 × 399,600
  4. Step 4: Simplify right side
    181,752x = 159,680,160,000
  5. Step 5: Solve for x
    x = 159,680,160,000/181,752
  6. Step 6: Final answer
    x = 878,560.68

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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.