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Finding the Third Proportional to 318,877 and 699,954

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Solution

The third proportional to 318,877 and 699,954 is: 1,536,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,877 : 699,954 = 699,954 : x
  2. Step 2: Convert to fraction form
    318,877/699,954 = 699,954/x
  3. Step 3: Cross multiply
    318,877x = 699,954 × 699,954
  4. Step 4: Simplify right side
    318,877x = 489,935,602,116
  5. Step 5: Solve for x
    x = 489,935,602,116/318,877
  6. Step 6: Final answer
    x = 1,536,440.70

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