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Finding the Third Proportional to 100,937.25 and 212,331.94

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Solution

The third proportional to 100,937.25 and 212,331.94 is: 446,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,937.25 : 212,331.94 = 212,331.94 : x
  2. Step 2: Convert to fraction form
    100,937.25/212,331.94 = 212,331.94/x
  3. Step 3: Cross multiply
    100,937.25x = 212,331.94 × 212,331.94
  4. Step 4: Simplify right side
    100,937.25x = 45,084,851,682.50
  5. Step 5: Solve for x
    x = 45,084,851,682.50/100,937.25
  6. Step 6: Final answer
    x = 446,662.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.