Home / 1,314,135.25-1,921,311.75

Finding the Third Proportional to 1,314,135.25 and 1,921,311.75

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Solution

The third proportional to 1,314,135.25 and 1,921,311.75 is: 2,809,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,135.25 : 1,921,311.75 = 1,921,311.75 : x
  2. Step 2: Convert to fraction form
    1,314,135.25/1,921,311.75 = 1,921,311.75/x
  3. Step 3: Cross multiply
    1,314,135.25x = 1,921,311.75 × 1,921,311.75
  4. Step 4: Simplify right side
    1,314,135.25x = 3,691,438,840,688.06
  5. Step 5: Solve for x
    x = 3,691,438,840,688.06/1,314,135.25
  6. Step 6: Final answer
    x = 2,809,025.05

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.