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Finding the Third Proportional to 640,244.25 and 1,482,239.25

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Solution

The third proportional to 640,244.25 and 1,482,239.25 is: 3,431,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,244.25 : 1,482,239.25 = 1,482,239.25 : x
  2. Step 2: Convert to fraction form
    640,244.25/1,482,239.25 = 1,482,239.25/x
  3. Step 3: Cross multiply
    640,244.25x = 1,482,239.25 × 1,482,239.25
  4. Step 4: Simplify right side
    640,244.25x = 2,197,033,194,240.56
  5. Step 5: Solve for x
    x = 2,197,033,194,240.56/640,244.25
  6. Step 6: Final answer
    x = 3,431,554.75

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.