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Finding the Third Proportional to 66,254 and 99,119

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Solution

The third proportional to 66,254 and 99,119 is: 148,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,254 : 99,119 = 99,119 : x
  2. Step 2: Convert to fraction form
    66,254/99,119 = 99,119/x
  3. Step 3: Cross multiply
    66,254x = 99,119 × 99,119
  4. Step 4: Simplify right side
    66,254x = 9,824,576,161
  5. Step 5: Solve for x
    x = 9,824,576,161/66,254
  6. Step 6: Final answer
    x = 148,286.54

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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.