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Finding the Third Proportional to 3,980,496 and 8,706,255

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Solution

The third proportional to 3,980,496 and 8,706,255 is: 19,042,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,496 : 8,706,255 = 8,706,255 : x
  2. Step 2: Convert to fraction form
    3,980,496/8,706,255 = 8,706,255/x
  3. Step 3: Cross multiply
    3,980,496x = 8,706,255 × 8,706,255
  4. Step 4: Simplify right side
    3,980,496x = 75,798,876,125,025
  5. Step 5: Solve for x
    x = 75,798,876,125,025/3,980,496
  6. Step 6: Final answer
    x = 19,042,570.61

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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.