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Finding the Third Proportional to 618,220 and 1,318,094

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Solution

The third proportional to 618,220 and 1,318,094 is: 2,810,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,220 : 1,318,094 = 1,318,094 : x
  2. Step 2: Convert to fraction form
    618,220/1,318,094 = 1,318,094/x
  3. Step 3: Cross multiply
    618,220x = 1,318,094 × 1,318,094
  4. Step 4: Simplify right side
    618,220x = 1,737,371,792,836
  5. Step 5: Solve for x
    x = 1,737,371,792,836/618,220
  6. Step 6: Final answer
    x = 2,810,280.79

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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.