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Finding the Third Proportional to 135,763.50 and 298,291.50

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Solution

The third proportional to 135,763.50 and 298,291.50 is: 655,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,763.50 : 298,291.50 = 298,291.50 : x
  2. Step 2: Convert to fraction form
    135,763.50/298,291.50 = 298,291.50/x
  3. Step 3: Cross multiply
    135,763.50x = 298,291.50 × 298,291.50
  4. Step 4: Simplify right side
    135,763.50x = 88,977,818,972.25
  5. Step 5: Solve for x
    x = 88,977,818,972.25/135,763.50
  6. Step 6: Final answer
    x = 655,388.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.