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Finding the Third Proportional to 442,704.75 and 938,610.75

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Solution

The third proportional to 442,704.75 and 938,610.75 is: 1,990,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,704.75 : 938,610.75 = 938,610.75 : x
  2. Step 2: Convert to fraction form
    442,704.75/938,610.75 = 938,610.75/x
  3. Step 3: Cross multiply
    442,704.75x = 938,610.75 × 938,610.75
  4. Step 4: Simplify right side
    442,704.75x = 880,990,140,015.56
  5. Step 5: Solve for x
    x = 880,990,140,015.56/442,704.75
  6. Step 6: Final answer
    x = 1,990,017.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.