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Finding the Third Proportional to 3,910,191 and 8,177,904

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Solution

The third proportional to 3,910,191 and 8,177,904 is: 17,103,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,191 : 8,177,904 = 8,177,904 : x
  2. Step 2: Convert to fraction form
    3,910,191/8,177,904 = 8,177,904/x
  3. Step 3: Cross multiply
    3,910,191x = 8,177,904 × 8,177,904
  4. Step 4: Simplify right side
    3,910,191x = 66,878,113,833,216
  5. Step 5: Solve for x
    x = 66,878,113,833,216/3,910,191
  6. Step 6: Final answer
    x = 17,103,541.45

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.