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Finding the Third Proportional to 4,129,806.94 and 8,857,484.44

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Solution

The third proportional to 4,129,806.94 and 8,857,484.44 is: 18,997,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129,806.94 : 8,857,484.44 = 8,857,484.44 : x
  2. Step 2: Convert to fraction form
    4,129,806.94/8,857,484.44 = 8,857,484.44/x
  3. Step 3: Cross multiply
    4,129,806.94x = 8,857,484.44 × 8,857,484.44
  4. Step 4: Simplify right side
    4,129,806.94x = 78,455,030,560,554.69
  5. Step 5: Solve for x
    x = 78,455,030,560,554.69/4,129,806.94
  6. Step 6: Final answer
    x = 18,997,263.49

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.