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Finding the Third Proportional to 30,852 and 66,084

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Solution

The third proportional to 30,852 and 66,084 is: 141,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852 : 66,084 = 66,084 : x
  2. Step 2: Convert to fraction form
    30,852/66,084 = 66,084/x
  3. Step 3: Cross multiply
    30,852x = 66,084 × 66,084
  4. Step 4: Simplify right side
    30,852x = 4,367,095,056
  5. Step 5: Solve for x
    x = 4,367,095,056/30,852
  6. Step 6: Final answer
    x = 141,549.82

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.