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Finding the Third Proportional to 908,080 and 1,993,278

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Solution

The third proportional to 908,080 and 1,993,278 is: 4,375,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,080 : 1,993,278 = 1,993,278 : x
  2. Step 2: Convert to fraction form
    908,080/1,993,278 = 1,993,278/x
  3. Step 3: Cross multiply
    908,080x = 1,993,278 × 1,993,278
  4. Step 4: Simplify right side
    908,080x = 3,973,157,185,284
  5. Step 5: Solve for x
    x = 3,973,157,185,284/908,080
  6. Step 6: Final answer
    x = 4,375,338.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.