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Finding the Third Proportional to 2,268,686.25 and 3,405,490.88

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Solution

The third proportional to 2,268,686.25 and 3,405,490.88 is: 5,111,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,686.25 : 3,405,490.88 = 3,405,490.88 : x
  2. Step 2: Convert to fraction form
    2,268,686.25/3,405,490.88 = 3,405,490.88/x
  3. Step 3: Cross multiply
    2,268,686.25x = 3,405,490.88 × 3,405,490.88
  4. Step 4: Simplify right side
    2,268,686.25x = 11,597,368,099,708.27
  5. Step 5: Solve for x
    x = 11,597,368,099,708.27/2,268,686.25
  6. Step 6: Final answer
    x = 5,111,931.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.