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Finding the Third Proportional to 18,562,636 and 39,867,284

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Solution

The third proportional to 18,562,636 and 39,867,284 is: 85,623,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562,636 : 39,867,284 = 39,867,284 : x
  2. Step 2: Convert to fraction form
    18,562,636/39,867,284 = 39,867,284/x
  3. Step 3: Cross multiply
    18,562,636x = 39,867,284 × 39,867,284
  4. Step 4: Simplify right side
    18,562,636x = 1,589,400,333,536,656
  5. Step 5: Solve for x
    x = 1,589,400,333,536,656/18,562,636
  6. Step 6: Final answer
    x = 85,623,633.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.