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Finding the Third Proportional to 3,171,741 and 5,106,987

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Solution

The third proportional to 3,171,741 and 5,106,987 is: 8,223,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,741 : 5,106,987 = 5,106,987 : x
  2. Step 2: Convert to fraction form
    3,171,741/5,106,987 = 5,106,987/x
  3. Step 3: Cross multiply
    3,171,741x = 5,106,987 × 5,106,987
  4. Step 4: Simplify right side
    3,171,741x = 26,081,316,218,169
  5. Step 5: Solve for x
    x = 26,081,316,218,169/3,171,741
  6. Step 6: Final answer
    x = 8,223,028.37

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.