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Finding the Third Proportional to 373,907 and 815,482

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Solution

The third proportional to 373,907 and 815,482 is: 1,778,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,907 : 815,482 = 815,482 : x
  2. Step 2: Convert to fraction form
    373,907/815,482 = 815,482/x
  3. Step 3: Cross multiply
    373,907x = 815,482 × 815,482
  4. Step 4: Simplify right side
    373,907x = 665,010,892,324
  5. Step 5: Solve for x
    x = 665,010,892,324/373,907
  6. Step 6: Final answer
    x = 1,778,546.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.