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Finding the Third Proportional to 2,221,876.50 and 3,318,255

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Solution

The third proportional to 2,221,876.50 and 3,318,255 is: 4,955,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,876.50 : 3,318,255 = 3,318,255 : x
  2. Step 2: Convert to fraction form
    2,221,876.50/3,318,255 = 3,318,255/x
  3. Step 3: Cross multiply
    2,221,876.50x = 3,318,255 × 3,318,255
  4. Step 4: Simplify right side
    2,221,876.50x = 11,010,816,245,025
  5. Step 5: Solve for x
    x = 11,010,816,245,025/2,221,876.50
  6. Step 6: Final answer
    x = 4,955,638.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.