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Finding the Third Proportional to 342,208 and 799,630

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Solution

The third proportional to 342,208 and 799,630 is: 1,868,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,208 : 799,630 = 799,630 : x
  2. Step 2: Convert to fraction form
    342,208/799,630 = 799,630/x
  3. Step 3: Cross multiply
    342,208x = 799,630 × 799,630
  4. Step 4: Simplify right side
    342,208x = 639,408,136,900
  5. Step 5: Solve for x
    x = 639,408,136,900/342,208
  6. Step 6: Final answer
    x = 1,868,478.05

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.