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Finding the Third Proportional to 8,936,712 and 19,290,348

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Solution

The third proportional to 8,936,712 and 19,290,348 is: 41,639,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936,712 : 19,290,348 = 19,290,348 : x
  2. Step 2: Convert to fraction form
    8,936,712/19,290,348 = 19,290,348/x
  3. Step 3: Cross multiply
    8,936,712x = 19,290,348 × 19,290,348
  4. Step 4: Simplify right side
    8,936,712x = 372,117,525,961,104
  5. Step 5: Solve for x
    x = 372,117,525,961,104/8,936,712
  6. Step 6: Final answer
    x = 41,639,198.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.