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Finding the Third Proportional to 1,907,074.13 and 4,129,076.25

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Solution

The third proportional to 1,907,074.13 and 4,129,076.25 is: 8,940,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,074.13 : 4,129,076.25 = 4,129,076.25 : x
  2. Step 2: Convert to fraction form
    1,907,074.13/4,129,076.25 = 4,129,076.25/x
  3. Step 3: Cross multiply
    1,907,074.13x = 4,129,076.25 × 4,129,076.25
  4. Step 4: Simplify right side
    1,907,074.13x = 17,049,270,678,314.06
  5. Step 5: Solve for x
    x = 17,049,270,678,314.06/1,907,074.13
  6. Step 6: Final answer
    x = 8,940,014.68

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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.