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Finding the Third Proportional to 9,213,128 and 19,016,368

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Solution

The third proportional to 9,213,128 and 19,016,368 is: 39,250,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213,128 : 19,016,368 = 19,016,368 : x
  2. Step 2: Convert to fraction form
    9,213,128/19,016,368 = 19,016,368/x
  3. Step 3: Cross multiply
    9,213,128x = 19,016,368 × 19,016,368
  4. Step 4: Simplify right side
    9,213,128x = 361,622,251,911,424
  5. Step 5: Solve for x
    x = 361,622,251,911,424/9,213,128
  6. Step 6: Final answer
    x = 39,250,757.39

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.