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Finding the Third Proportional to 102,523 and 221,889

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Solution

The third proportional to 102,523 and 221,889 is: 480,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,523 : 221,889 = 221,889 : x
  2. Step 2: Convert to fraction form
    102,523/221,889 = 221,889/x
  3. Step 3: Cross multiply
    102,523x = 221,889 × 221,889
  4. Step 4: Simplify right side
    102,523x = 49,234,728,321
  5. Step 5: Solve for x
    x = 49,234,728,321/102,523
  6. Step 6: Final answer
    x = 480,231.05

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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.