Home / 12,821,393.81-18,333,362.81

Finding the Third Proportional to 12,821,393.81 and 18,333,362.81

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Solution

The third proportional to 12,821,393.81 and 18,333,362.81 is: 26,214,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,393.81 : 18,333,362.81 = 18,333,362.81 : x
  2. Step 2: Convert to fraction form
    12,821,393.81/18,333,362.81 = 18,333,362.81/x
  3. Step 3: Cross multiply
    12,821,393.81x = 18,333,362.81 × 18,333,362.81
  4. Step 4: Simplify right side
    12,821,393.81x = 336,112,192,014,757.94
  5. Step 5: Solve for x
    x = 336,112,192,014,757.94/12,821,393.81
  6. Step 6: Final answer
    x = 26,214,949.55

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.