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Finding the Third Proportional to 4,031,815.50 and 8,704,989

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Solution

The third proportional to 4,031,815.50 and 8,704,989 is: 18,794,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031,815.50 : 8,704,989 = 8,704,989 : x
  2. Step 2: Convert to fraction form
    4,031,815.50/8,704,989 = 8,704,989/x
  3. Step 3: Cross multiply
    4,031,815.50x = 8,704,989 × 8,704,989
  4. Step 4: Simplify right side
    4,031,815.50x = 75,776,833,490,121
  5. Step 5: Solve for x
    x = 75,776,833,490,121/4,031,815.50
  6. Step 6: Final answer
    x = 18,794,717.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.