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Finding the Third Proportional to 3,220,936.50 and 7,020,600

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Solution

The third proportional to 3,220,936.50 and 7,020,600 is: 15,302,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,936.50 : 7,020,600 = 7,020,600 : x
  2. Step 2: Convert to fraction form
    3,220,936.50/7,020,600 = 7,020,600/x
  3. Step 3: Cross multiply
    3,220,936.50x = 7,020,600 × 7,020,600
  4. Step 4: Simplify right side
    3,220,936.50x = 49,288,824,360,000
  5. Step 5: Solve for x
    x = 49,288,824,360,000/3,220,936.50
  6. Step 6: Final answer
    x = 15,302,637.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.