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Finding the Third Proportional to 201,274.88 and 439,121.25

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Solution

The third proportional to 201,274.88 and 439,121.25 is: 958,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,274.88 : 439,121.25 = 439,121.25 : x
  2. Step 2: Convert to fraction form
    201,274.88/439,121.25 = 439,121.25/x
  3. Step 3: Cross multiply
    201,274.88x = 439,121.25 × 439,121.25
  4. Step 4: Simplify right side
    201,274.88x = 192,827,472,201.56
  5. Step 5: Solve for x
    x = 192,827,472,201.56/201,274.88
  6. Step 6: Final answer
    x = 958,030.52

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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.