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Finding the Third Proportional to 64,772 and 97,218

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Solution

The third proportional to 64,772 and 97,218 is: 145,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,772 : 97,218 = 97,218 : x
  2. Step 2: Convert to fraction form
    64,772/97,218 = 97,218/x
  3. Step 3: Cross multiply
    64,772x = 97,218 × 97,218
  4. Step 4: Simplify right side
    64,772x = 9,451,339,524
  5. Step 5: Solve for x
    x = 9,451,339,524/64,772
  6. Step 6: Final answer
    x = 145,917.06

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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.