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Finding the Third Proportional to 7,381,997 and 16,215,838

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Solution

The third proportional to 7,381,997 and 16,215,838 is: 35,620,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,997 : 16,215,838 = 16,215,838 : x
  2. Step 2: Convert to fraction form
    7,381,997/16,215,838 = 16,215,838/x
  3. Step 3: Cross multiply
    7,381,997x = 16,215,838 × 16,215,838
  4. Step 4: Simplify right side
    7,381,997x = 262,953,402,042,244
  5. Step 5: Solve for x
    x = 262,953,402,042,244/7,381,997
  6. Step 6: Final answer
    x = 35,620,903.40

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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.