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Finding the Third Proportional to 700,238.25 and 990,903.38

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Solution

The third proportional to 700,238.25 and 990,903.38 is: 1,402,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,238.25 : 990,903.38 = 990,903.38 : x
  2. Step 2: Convert to fraction form
    700,238.25/990,903.38 = 990,903.38/x
  3. Step 3: Cross multiply
    700,238.25x = 990,903.38 × 990,903.38
  4. Step 4: Simplify right side
    700,238.25x = 981,889,498,586.39
  5. Step 5: Solve for x
    x = 981,889,498,586.39/700,238.25
  6. Step 6: Final answer
    x = 1,402,222.03

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.