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Finding the Third Proportional to 383,632 and 580,778

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Solution

The third proportional to 383,632 and 580,778 is: 879,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,632 : 580,778 = 580,778 : x
  2. Step 2: Convert to fraction form
    383,632/580,778 = 580,778/x
  3. Step 3: Cross multiply
    383,632x = 580,778 × 580,778
  4. Step 4: Simplify right side
    383,632x = 337,303,085,284
  5. Step 5: Solve for x
    x = 337,303,085,284/383,632
  6. Step 6: Final answer
    x = 879,236.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.