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Finding the Third Proportional to 275,718.75 and 607,308.75

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Solution

The third proportional to 275,718.75 and 607,308.75 is: 1,337,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,718.75 : 607,308.75 = 607,308.75 : x
  2. Step 2: Convert to fraction form
    275,718.75/607,308.75 = 607,308.75/x
  3. Step 3: Cross multiply
    275,718.75x = 607,308.75 × 607,308.75
  4. Step 4: Simplify right side
    275,718.75x = 368,823,917,826.56
  5. Step 5: Solve for x
    x = 368,823,917,826.56/275,718.75
  6. Step 6: Final answer
    x = 1,337,681.67

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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.