Home / 20,440,815.75-31,418,934.75

Finding the Third Proportional to 20,440,815.75 and 31,418,934.75

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Solution

The third proportional to 20,440,815.75 and 31,418,934.75 is: 48,293,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440,815.75 : 31,418,934.75 = 31,418,934.75 : x
  2. Step 2: Convert to fraction form
    20,440,815.75/31,418,934.75 = 31,418,934.75/x
  3. Step 3: Cross multiply
    20,440,815.75x = 31,418,934.75 × 31,418,934.75
  4. Step 4: Simplify right side
    20,440,815.75x = 987,149,460,824,757.50
  5. Step 5: Solve for x
    x = 987,149,460,824,757.50/20,440,815.75
  6. Step 6: Final answer
    x = 48,293,056.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.