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Finding the Third Proportional to 64,802 and 82,803

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Solution

The third proportional to 64,802 and 82,803 is: 105,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802 : 82,803 = 82,803 : x
  2. Step 2: Convert to fraction form
    64,802/82,803 = 82,803/x
  3. Step 3: Cross multiply
    64,802x = 82,803 × 82,803
  4. Step 4: Simplify right side
    64,802x = 6,856,336,809
  5. Step 5: Solve for x
    x = 6,856,336,809/64,802
  6. Step 6: Final answer
    x = 105,804.40

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.