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Finding the Third Proportional to 3,932,850 and 8,580,639

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Solution

The third proportional to 3,932,850 and 8,580,639 is: 18,721,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,850 : 8,580,639 = 8,580,639 : x
  2. Step 2: Convert to fraction form
    3,932,850/8,580,639 = 8,580,639/x
  3. Step 3: Cross multiply
    3,932,850x = 8,580,639 × 8,580,639
  4. Step 4: Simplify right side
    3,932,850x = 73,627,365,648,321
  5. Step 5: Solve for x
    x = 73,627,365,648,321/3,932,850
  6. Step 6: Final answer
    x = 18,721,122.25

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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.