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Finding the Third Proportional to 248,421 and 332,578.50

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Solution

The third proportional to 248,421 and 332,578.50 is: 445,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,421 : 332,578.50 = 332,578.50 : x
  2. Step 2: Convert to fraction form
    248,421/332,578.50 = 332,578.50/x
  3. Step 3: Cross multiply
    248,421x = 332,578.50 × 332,578.50
  4. Step 4: Simplify right side
    248,421x = 110,608,458,662.25
  5. Step 5: Solve for x
    x = 110,608,458,662.25/248,421
  6. Step 6: Final answer
    x = 445,246.01

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.