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Finding the Third Proportional to 30,165 and 66,253

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Solution

The third proportional to 30,165 and 66,253 is: 145,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165 : 66,253 = 66,253 : x
  2. Step 2: Convert to fraction form
    30,165/66,253 = 66,253/x
  3. Step 3: Cross multiply
    30,165x = 66,253 × 66,253
  4. Step 4: Simplify right side
    30,165x = 4,389,460,009
  5. Step 5: Solve for x
    x = 4,389,460,009/30,165
  6. Step 6: Final answer
    x = 145,515.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.