Home / 14,218,081.88-20,820,999.38

Finding the Third Proportional to 14,218,081.88 and 20,820,999.38

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Solution

The third proportional to 14,218,081.88 and 20,820,999.38 is: 30,490,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218,081.88 : 20,820,999.38 = 20,820,999.38 : x
  2. Step 2: Convert to fraction form
    14,218,081.88/20,820,999.38 = 20,820,999.38/x
  3. Step 3: Cross multiply
    14,218,081.88x = 20,820,999.38 × 20,820,999.38
  4. Step 4: Simplify right side
    14,218,081.88x = 433,514,014,973,750.38
  5. Step 5: Solve for x
    x = 433,514,014,973,750.38/14,218,081.88
  6. Step 6: Final answer
    x = 30,490,330.47

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.