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Finding the Third Proportional to 1,286,915 and 2,797,957

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Solution

The third proportional to 1,286,915 and 2,797,957 is: 6,083,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,915 : 2,797,957 = 2,797,957 : x
  2. Step 2: Convert to fraction form
    1,286,915/2,797,957 = 2,797,957/x
  3. Step 3: Cross multiply
    1,286,915x = 2,797,957 × 2,797,957
  4. Step 4: Simplify right side
    1,286,915x = 7,828,563,373,849
  5. Step 5: Solve for x
    x = 7,828,563,373,849/1,286,915
  6. Step 6: Final answer
    x = 6,083,201.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.