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Finding the Third Proportional to 66,102 and 99,303

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Solution

The third proportional to 66,102 and 99,303 is: 149,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,102 : 99,303 = 99,303 : x
  2. Step 2: Convert to fraction form
    66,102/99,303 = 99,303/x
  3. Step 3: Cross multiply
    66,102x = 99,303 × 99,303
  4. Step 4: Simplify right side
    66,102x = 9,861,085,809
  5. Step 5: Solve for x
    x = 9,861,085,809/66,102
  6. Step 6: Final answer
    x = 149,179.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.