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Finding the Third Proportional to 98,213 and 213,925

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Solution

The third proportional to 98,213 and 213,925 is: 465,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,213 : 213,925 = 213,925 : x
  2. Step 2: Convert to fraction form
    98,213/213,925 = 213,925/x
  3. Step 3: Cross multiply
    98,213x = 213,925 × 213,925
  4. Step 4: Simplify right side
    98,213x = 45,763,905,625
  5. Step 5: Solve for x
    x = 45,763,905,625/98,213
  6. Step 6: Final answer
    x = 465,965.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.