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Finding the Third Proportional to 281,892 and 436,770

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Solution

The third proportional to 281,892 and 436,770 is: 676,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,892 : 436,770 = 436,770 : x
  2. Step 2: Convert to fraction form
    281,892/436,770 = 436,770/x
  3. Step 3: Cross multiply
    281,892x = 436,770 × 436,770
  4. Step 4: Simplify right side
    281,892x = 190,768,032,900
  5. Step 5: Solve for x
    x = 190,768,032,900/281,892
  6. Step 6: Final answer
    x = 676,741.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.