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Finding the Third Proportional to 237,930.75 and 515,065.50

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Solution

The third proportional to 237,930.75 and 515,065.50 is: 1,114,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,930.75 : 515,065.50 = 515,065.50 : x
  2. Step 2: Convert to fraction form
    237,930.75/515,065.50 = 515,065.50/x
  3. Step 3: Cross multiply
    237,930.75x = 515,065.50 × 515,065.50
  4. Step 4: Simplify right side
    237,930.75x = 265,292,469,290.25
  5. Step 5: Solve for x
    x = 265,292,469,290.25/237,930.75
  6. Step 6: Final answer
    x = 1,114,998.67

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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.