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Finding the Third Proportional to 1,217,289 and 1,899,629

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Solution

The third proportional to 1,217,289 and 1,899,629 is: 2,964,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,289 : 1,899,629 = 1,899,629 : x
  2. Step 2: Convert to fraction form
    1,217,289/1,899,629 = 1,899,629/x
  3. Step 3: Cross multiply
    1,217,289x = 1,899,629 × 1,899,629
  4. Step 4: Simplify right side
    1,217,289x = 3,608,590,337,641
  5. Step 5: Solve for x
    x = 3,608,590,337,641/1,217,289
  6. Step 6: Final answer
    x = 2,964,448.33

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.