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Finding the Third Proportional to 1,825,121 and 4,225,021

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Solution

The third proportional to 1,825,121 and 4,225,021 is: 9,780,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,121 : 4,225,021 = 4,225,021 : x
  2. Step 2: Convert to fraction form
    1,825,121/4,225,021 = 4,225,021/x
  3. Step 3: Cross multiply
    1,825,121x = 4,225,021 × 4,225,021
  4. Step 4: Simplify right side
    1,825,121x = 17,850,802,450,441
  5. Step 5: Solve for x
    x = 17,850,802,450,441/1,825,121
  6. Step 6: Final answer
    x = 9,780,613.15

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.