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Finding the Third Proportional to 82,308 and 177,106

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Solution

The third proportional to 82,308 and 177,106 is: 381,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,308 : 177,106 = 177,106 : x
  2. Step 2: Convert to fraction form
    82,308/177,106 = 177,106/x
  3. Step 3: Cross multiply
    82,308x = 177,106 × 177,106
  4. Step 4: Simplify right side
    82,308x = 31,366,535,236
  5. Step 5: Solve for x
    x = 31,366,535,236/82,308
  6. Step 6: Final answer
    x = 381,087.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.