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Finding the Third Proportional to 66,512 and 97,823

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Solution

The third proportional to 66,512 and 97,823 is: 143,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,512 : 97,823 = 97,823 : x
  2. Step 2: Convert to fraction form
    66,512/97,823 = 97,823/x
  3. Step 3: Cross multiply
    66,512x = 97,823 × 97,823
  4. Step 4: Simplify right side
    66,512x = 9,569,339,329
  5. Step 5: Solve for x
    x = 9,569,339,329/66,512
  6. Step 6: Final answer
    x = 143,873.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.