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Finding the Third Proportional to 248,907.94 and 395,505.28

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Solution

The third proportional to 248,907.94 and 395,505.28 is: 628,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,907.94 : 395,505.28 = 395,505.28 : x
  2. Step 2: Convert to fraction form
    248,907.94/395,505.28 = 395,505.28/x
  3. Step 3: Cross multiply
    248,907.94x = 395,505.28 × 395,505.28
  4. Step 4: Simplify right side
    248,907.94x = 156,424,427,496.64
  5. Step 5: Solve for x
    x = 156,424,427,496.64/248,907.94
  6. Step 6: Final answer
    x = 628,442.91

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.