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Finding the Third Proportional to 1,680,921 and 2,515,441.50

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Solution

The third proportional to 1,680,921 and 2,515,441.50 is: 3,764,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,921 : 2,515,441.50 = 2,515,441.50 : x
  2. Step 2: Convert to fraction form
    1,680,921/2,515,441.50 = 2,515,441.50/x
  3. Step 3: Cross multiply
    1,680,921x = 2,515,441.50 × 2,515,441.50
  4. Step 4: Simplify right side
    1,680,921x = 6,327,445,939,922.25
  5. Step 5: Solve for x
    x = 6,327,445,939,922.25/1,680,921
  6. Step 6: Final answer
    x = 3,764,273.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.