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Finding the Third Proportional to 102,120 and 147,084

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Solution

The third proportional to 102,120 and 147,084 is: 211,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,120 : 147,084 = 147,084 : x
  2. Step 2: Convert to fraction form
    102,120/147,084 = 147,084/x
  3. Step 3: Cross multiply
    102,120x = 147,084 × 147,084
  4. Step 4: Simplify right side
    102,120x = 21,633,703,056
  5. Step 5: Solve for x
    x = 21,633,703,056/102,120
  6. Step 6: Final answer
    x = 211,845.90

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.