Home / 12,201,090.75-18,904,205.25

Finding the Third Proportional to 12,201,090.75 and 18,904,205.25

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Solution

The third proportional to 12,201,090.75 and 18,904,205.25 is: 29,289,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,090.75 : 18,904,205.25 = 18,904,205.25 : x
  2. Step 2: Convert to fraction form
    12,201,090.75/18,904,205.25 = 18,904,205.25/x
  3. Step 3: Cross multiply
    12,201,090.75x = 18,904,205.25 × 18,904,205.25
  4. Step 4: Simplify right side
    12,201,090.75x = 357,368,976,134,127.56
  5. Step 5: Solve for x
    x = 357,368,976,134,127.56/12,201,090.75
  6. Step 6: Final answer
    x = 29,289,920.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.