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Finding the Third Proportional to 211,889.25 and 457,393.50

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Solution

The third proportional to 211,889.25 and 457,393.50 is: 987,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,889.25 : 457,393.50 = 457,393.50 : x
  2. Step 2: Convert to fraction form
    211,889.25/457,393.50 = 457,393.50/x
  3. Step 3: Cross multiply
    211,889.25x = 457,393.50 × 457,393.50
  4. Step 4: Simplify right side
    211,889.25x = 209,208,813,842.25
  5. Step 5: Solve for x
    x = 209,208,813,842.25/211,889.25
  6. Step 6: Final answer
    x = 987,349.82

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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.