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Finding the Third Proportional to 64,682 and 97,112

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Solution

The third proportional to 64,682 and 97,112 is: 145,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,682 : 97,112 = 97,112 : x
  2. Step 2: Convert to fraction form
    64,682/97,112 = 97,112/x
  3. Step 3: Cross multiply
    64,682x = 97,112 × 97,112
  4. Step 4: Simplify right side
    64,682x = 9,430,740,544
  5. Step 5: Solve for x
    x = 9,430,740,544/64,682
  6. Step 6: Final answer
    x = 145,801.62

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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.