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Finding the Third Proportional to 355,819.50 and 550,351.13

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Solution

The third proportional to 355,819.50 and 550,351.13 is: 851,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,819.50 : 550,351.13 = 550,351.13 : x
  2. Step 2: Convert to fraction form
    355,819.50/550,351.13 = 550,351.13/x
  3. Step 3: Cross multiply
    355,819.50x = 550,351.13 × 550,351.13
  4. Step 4: Simplify right side
    355,819.50x = 302,886,360,788.77
  5. Step 5: Solve for x
    x = 302,886,360,788.77/355,819.50
  6. Step 6: Final answer
    x = 851,235.98

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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.