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Finding the Third Proportional to 1,890,406 and 4,148,228

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Solution

The third proportional to 1,890,406 and 4,148,228 is: 9,102,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,406 : 4,148,228 = 4,148,228 : x
  2. Step 2: Convert to fraction form
    1,890,406/4,148,228 = 4,148,228/x
  3. Step 3: Cross multiply
    1,890,406x = 4,148,228 × 4,148,228
  4. Step 4: Simplify right side
    1,890,406x = 17,207,795,539,984
  5. Step 5: Solve for x
    x = 17,207,795,539,984/1,890,406
  6. Step 6: Final answer
    x = 9,102,698.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.