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Finding the Third Proportional to 77,767 and 166,585

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Solution

The third proportional to 77,767 and 166,585 is: 356,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767 : 166,585 = 166,585 : x
  2. Step 2: Convert to fraction form
    77,767/166,585 = 166,585/x
  3. Step 3: Cross multiply
    77,767x = 166,585 × 166,585
  4. Step 4: Simplify right side
    77,767x = 27,750,562,225
  5. Step 5: Solve for x
    x = 27,750,562,225/77,767
  6. Step 6: Final answer
    x = 356,842.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.