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Finding the Third Proportional to 1,439,704.75 and 2,174,867.75

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Solution

The third proportional to 1,439,704.75 and 2,174,867.75 is: 3,285,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,704.75 : 2,174,867.75 = 2,174,867.75 : x
  2. Step 2: Convert to fraction form
    1,439,704.75/2,174,867.75 = 2,174,867.75/x
  3. Step 3: Cross multiply
    1,439,704.75x = 2,174,867.75 × 2,174,867.75
  4. Step 4: Simplify right side
    1,439,704.75x = 4,730,049,729,990.06
  5. Step 5: Solve for x
    x = 4,730,049,729,990.06/1,439,704.75
  6. Step 6: Final answer
    x = 3,285,430.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.