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Finding the Third Proportional to 248,429.53 and 385,390.41

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Solution

The third proportional to 248,429.53 and 385,390.41 is: 597,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,429.53 : 385,390.41 = 385,390.41 : x
  2. Step 2: Convert to fraction form
    248,429.53/385,390.41 = 385,390.41/x
  3. Step 3: Cross multiply
    248,429.53x = 385,390.41 × 385,390.41
  4. Step 4: Simplify right side
    248,429.53x = 148,525,765,229.54
  5. Step 5: Solve for x
    x = 148,525,765,229.54/248,429.53
  6. Step 6: Final answer
    x = 597,858.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.