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Finding the Third Proportional to 900,172 and 1,954,888

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Solution

The third proportional to 900,172 and 1,954,888 is: 4,245,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,172 : 1,954,888 = 1,954,888 : x
  2. Step 2: Convert to fraction form
    900,172/1,954,888 = 1,954,888/x
  3. Step 3: Cross multiply
    900,172x = 1,954,888 × 1,954,888
  4. Step 4: Simplify right side
    900,172x = 3,821,587,092,544
  5. Step 5: Solve for x
    x = 3,821,587,092,544/900,172
  6. Step 6: Final answer
    x = 4,245,396.54

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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.