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Finding the Third Proportional to 8,567,078 and 18,696,812

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Solution

The third proportional to 8,567,078 and 18,696,812 is: 40,803,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567,078 : 18,696,812 = 18,696,812 : x
  2. Step 2: Convert to fraction form
    8,567,078/18,696,812 = 18,696,812/x
  3. Step 3: Cross multiply
    8,567,078x = 18,696,812 × 18,696,812
  4. Step 4: Simplify right side
    8,567,078x = 349,570,778,963,344
  5. Step 5: Solve for x
    x = 349,570,778,963,344/8,567,078
  6. Step 6: Final answer
    x = 40,803,968.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.