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Finding the Third Proportional to 3,946,904 and 8,631,952

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Solution

The third proportional to 3,946,904 and 8,631,952 is: 18,878,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,904 : 8,631,952 = 8,631,952 : x
  2. Step 2: Convert to fraction form
    3,946,904/8,631,952 = 8,631,952/x
  3. Step 3: Cross multiply
    3,946,904x = 8,631,952 × 8,631,952
  4. Step 4: Simplify right side
    3,946,904x = 74,510,595,330,304
  5. Step 5: Solve for x
    x = 74,510,595,330,304/3,946,904
  6. Step 6: Final answer
    x = 18,878,238.57

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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.