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Finding the Third Proportional to 383,289 and 806,295

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Solution

The third proportional to 383,289 and 806,295 is: 1,696,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,289 : 806,295 = 806,295 : x
  2. Step 2: Convert to fraction form
    383,289/806,295 = 806,295/x
  3. Step 3: Cross multiply
    383,289x = 806,295 × 806,295
  4. Step 4: Simplify right side
    383,289x = 650,111,627,025
  5. Step 5: Solve for x
    x = 650,111,627,025/383,289
  6. Step 6: Final answer
    x = 1,696,139.54

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.