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Finding the Third Proportional to 48,458.50 and 102,788.50

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Solution

The third proportional to 48,458.50 and 102,788.50 is: 218,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458.50 : 102,788.50 = 102,788.50 : x
  2. Step 2: Convert to fraction form
    48,458.50/102,788.50 = 102,788.50/x
  3. Step 3: Cross multiply
    48,458.50x = 102,788.50 × 102,788.50
  4. Step 4: Simplify right side
    48,458.50x = 10,565,475,732.25
  5. Step 5: Solve for x
    x = 10,565,475,732.25/48,458.50
  6. Step 6: Final answer
    x = 218,031.42

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.