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Finding the Third Proportional to 209,815.50 and 452,800.50

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Solution

The third proportional to 209,815.50 and 452,800.50 is: 977,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,815.50 : 452,800.50 = 452,800.50 : x
  2. Step 2: Convert to fraction form
    209,815.50/452,800.50 = 452,800.50/x
  3. Step 3: Cross multiply
    209,815.50x = 452,800.50 × 452,800.50
  4. Step 4: Simplify right side
    209,815.50x = 205,028,292,800.25
  5. Step 5: Solve for x
    x = 205,028,292,800.25/209,815.50
  6. Step 6: Final answer
    x = 977,183.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.