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Finding the Third Proportional to 14,200 and 31,133

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Solution

The third proportional to 14,200 and 31,133 is: 68,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200 : 31,133 = 31,133 : x
  2. Step 2: Convert to fraction form
    14,200/31,133 = 31,133/x
  3. Step 3: Cross multiply
    14,200x = 31,133 × 31,133
  4. Step 4: Simplify right side
    14,200x = 969,263,689
  5. Step 5: Solve for x
    x = 969,263,689/14,200
  6. Step 6: Final answer
    x = 68,258.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.