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Finding the Third Proportional to 820,389.94 and 1,241,903.81

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Solution

The third proportional to 820,389.94 and 1,241,903.81 is: 1,879,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,389.94 : 1,241,903.81 = 1,241,903.81 : x
  2. Step 2: Convert to fraction form
    820,389.94/1,241,903.81 = 1,241,903.81/x
  3. Step 3: Cross multiply
    820,389.94x = 1,241,903.81 × 1,241,903.81
  4. Step 4: Simplify right side
    820,389.94x = 1,542,325,079,502.04
  5. Step 5: Solve for x
    x = 1,542,325,079,502.04/820,389.94
  6. Step 6: Final answer
    x = 1,879,990.24

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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.