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Finding the Third Proportional to 211,367.25 and 372,521.25

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Solution

The third proportional to 211,367.25 and 372,521.25 is: 656,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,367.25 : 372,521.25 = 372,521.25 : x
  2. Step 2: Convert to fraction form
    211,367.25/372,521.25 = 372,521.25/x
  3. Step 3: Cross multiply
    211,367.25x = 372,521.25 × 372,521.25
  4. Step 4: Simplify right side
    211,367.25x = 138,772,081,701.56
  5. Step 5: Solve for x
    x = 138,772,081,701.56/211,367.25
  6. Step 6: Final answer
    x = 656,544.86

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.