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Finding the Third Proportional to 1,832,334.75 and 3,989,965.50

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Solution

The third proportional to 1,832,334.75 and 3,989,965.50 is: 8,688,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,334.75 : 3,989,965.50 = 3,989,965.50 : x
  2. Step 2: Convert to fraction form
    1,832,334.75/3,989,965.50 = 3,989,965.50/x
  3. Step 3: Cross multiply
    1,832,334.75x = 3,989,965.50 × 3,989,965.50
  4. Step 4: Simplify right side
    1,832,334.75x = 15,919,824,691,190.25
  5. Step 5: Solve for x
    x = 15,919,824,691,190.25/1,832,334.75
  6. Step 6: Final answer
    x = 8,688,273.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.