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Finding the Third Proportional to 618,517.50 and 1,318,035

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Solution

The third proportional to 618,517.50 and 1,318,035 is: 2,808,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,517.50 : 1,318,035 = 1,318,035 : x
  2. Step 2: Convert to fraction form
    618,517.50/1,318,035 = 1,318,035/x
  3. Step 3: Cross multiply
    618,517.50x = 1,318,035 × 1,318,035
  4. Step 4: Simplify right side
    618,517.50x = 1,737,216,261,225
  5. Step 5: Solve for x
    x = 1,737,216,261,225/618,517.50
  6. Step 6: Final answer
    x = 2,808,677.62

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.