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Finding the Third Proportional to 909,010.50 and 1,912,243.50

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Solution

The third proportional to 909,010.50 and 1,912,243.50 is: 4,022,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,010.50 : 1,912,243.50 = 1,912,243.50 : x
  2. Step 2: Convert to fraction form
    909,010.50/1,912,243.50 = 1,912,243.50/x
  3. Step 3: Cross multiply
    909,010.50x = 1,912,243.50 × 1,912,243.50
  4. Step 4: Simplify right side
    909,010.50x = 3,656,675,203,292.25
  5. Step 5: Solve for x
    x = 3,656,675,203,292.25/909,010.50
  6. Step 6: Final answer
    x = 4,022,698.53

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.