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Finding the Third Proportional to 181,064 and 398,224

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Solution

The third proportional to 181,064 and 398,224 is: 875,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,064 : 398,224 = 398,224 : x
  2. Step 2: Convert to fraction form
    181,064/398,224 = 398,224/x
  3. Step 3: Cross multiply
    181,064x = 398,224 × 398,224
  4. Step 4: Simplify right side
    181,064x = 158,582,354,176
  5. Step 5: Solve for x
    x = 158,582,354,176/181,064
  6. Step 6: Final answer
    x = 875,835.92

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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.