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Finding the Third Proportional to 609,720 and 1,313,087.50

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Solution

The third proportional to 609,720 and 1,313,087.50 is: 2,827,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,720 : 1,313,087.50 = 1,313,087.50 : x
  2. Step 2: Convert to fraction form
    609,720/1,313,087.50 = 1,313,087.50/x
  3. Step 3: Cross multiply
    609,720x = 1,313,087.50 × 1,313,087.50
  4. Step 4: Simplify right side
    609,720x = 1,724,198,782,656.25
  5. Step 5: Solve for x
    x = 1,724,198,782,656.25/609,720
  6. Step 6: Final answer
    x = 2,827,853.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.