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Finding the Third Proportional to 31,034 and 47,955

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Solution

The third proportional to 31,034 and 47,955 is: 74,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,034 : 47,955 = 47,955 : x
  2. Step 2: Convert to fraction form
    31,034/47,955 = 47,955/x
  3. Step 3: Cross multiply
    31,034x = 47,955 × 47,955
  4. Step 4: Simplify right side
    31,034x = 2,299,682,025
  5. Step 5: Solve for x
    x = 2,299,682,025/31,034
  6. Step 6: Final answer
    x = 74,102.02

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.