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Finding the Third Proportional to 29,369.81 and 47,289.69

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Solution

The third proportional to 29,369.81 and 47,289.69 is: 76,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.81 : 47,289.69 = 47,289.69 : x
  2. Step 2: Convert to fraction form
    29,369.81/47,289.69 = 47,289.69/x
  3. Step 3: Cross multiply
    29,369.81x = 47,289.69 × 47,289.69
  4. Step 4: Simplify right side
    29,369.81x = 2,236,314,913.30
  5. Step 5: Solve for x
    x = 2,236,314,913.30/29,369.81
  6. Step 6: Final answer
    x = 76,143.32

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.