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Finding the Third Proportional to 1,260,685.69 and 1,892,319.19

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Solution

The third proportional to 1,260,685.69 and 1,892,319.19 is: 2,840,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,685.69 : 1,892,319.19 = 1,892,319.19 : x
  2. Step 2: Convert to fraction form
    1,260,685.69/1,892,319.19 = 1,892,319.19/x
  3. Step 3: Cross multiply
    1,260,685.69x = 1,892,319.19 × 1,892,319.19
  4. Step 4: Simplify right side
    1,260,685.69x = 3,580,871,907,380.66
  5. Step 5: Solve for x
    x = 3,580,871,907,380.66/1,260,685.69
  6. Step 6: Final answer
    x = 2,840,416.09

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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.