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Finding the Third Proportional to 18,361,040 and 40,345,696

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Solution

The third proportional to 18,361,040 and 40,345,696 is: 88,653,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,040 : 40,345,696 = 40,345,696 : x
  2. Step 2: Convert to fraction form
    18,361,040/40,345,696 = 40,345,696/x
  3. Step 3: Cross multiply
    18,361,040x = 40,345,696 × 40,345,696
  4. Step 4: Simplify right side
    18,361,040x = 1,627,775,185,724,416
  5. Step 5: Solve for x
    x = 1,627,775,185,724,416/18,361,040
  6. Step 6: Final answer
    x = 88,653,757.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.