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Finding the Third Proportional to 2,286,687.90 and 3,135,555.72

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Solution

The third proportional to 2,286,687.90 and 3,135,555.72 is: 4,299,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,687.90 : 3,135,555.72 = 3,135,555.72 : x
  2. Step 2: Convert to fraction form
    2,286,687.90/3,135,555.72 = 3,135,555.72/x
  3. Step 3: Cross multiply
    2,286,687.90x = 3,135,555.72 × 3,135,555.72
  4. Step 4: Simplify right side
    2,286,687.90x = 9,831,709,677,634.57
  5. Step 5: Solve for x
    x = 9,831,709,677,634.57/2,286,687.90
  6. Step 6: Final answer
    x = 4,299,541.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.