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Finding the Third Proportional to 100,752.75 and 211,844.25

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Solution

The third proportional to 100,752.75 and 211,844.25 is: 445,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,752.75 : 211,844.25 = 211,844.25 : x
  2. Step 2: Convert to fraction form
    100,752.75/211,844.25 = 211,844.25/x
  3. Step 3: Cross multiply
    100,752.75x = 211,844.25 × 211,844.25
  4. Step 4: Simplify right side
    100,752.75x = 44,877,986,258.06
  5. Step 5: Solve for x
    x = 44,877,986,258.06/100,752.75
  6. Step 6: Final answer
    x = 445,426.91

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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.