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Finding the Third Proportional to 4,031,506.69 and 8,704,351.13

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Solution

The third proportional to 4,031,506.69 and 8,704,351.13 is: 18,793,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031,506.69 : 8,704,351.13 = 8,704,351.13 : x
  2. Step 2: Convert to fraction form
    4,031,506.69/8,704,351.13 = 8,704,351.13/x
  3. Step 3: Cross multiply
    4,031,506.69x = 8,704,351.13 × 8,704,351.13
  4. Step 4: Simplify right side
    4,031,506.69x = 75,765,728,507,288.77
  5. Step 5: Solve for x
    x = 75,765,728,507,288.77/4,031,506.69
  6. Step 6: Final answer
    x = 18,793,402.66

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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.