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Finding the Third Proportional to 119,889 and 186,273

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Solution

The third proportional to 119,889 and 186,273 is: 289,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,889 : 186,273 = 186,273 : x
  2. Step 2: Convert to fraction form
    119,889/186,273 = 186,273/x
  3. Step 3: Cross multiply
    119,889x = 186,273 × 186,273
  4. Step 4: Simplify right side
    119,889x = 34,697,630,529
  5. Step 5: Solve for x
    x = 34,697,630,529/119,889
  6. Step 6: Final answer
    x = 289,414.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.