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Finding the Third Proportional to 1,907,469 and 4,142,988

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Solution

The third proportional to 1,907,469 and 4,142,988 is: 8,998,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,469 : 4,142,988 = 4,142,988 : x
  2. Step 2: Convert to fraction form
    1,907,469/4,142,988 = 4,142,988/x
  3. Step 3: Cross multiply
    1,907,469x = 4,142,988 × 4,142,988
  4. Step 4: Simplify right side
    1,907,469x = 17,164,349,568,144
  5. Step 5: Solve for x
    x = 17,164,349,568,144/1,907,469
  6. Step 6: Final answer
    x = 8,998,494.64

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