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Finding the Third Proportional to 620,736.75 and 1,386,790.88

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Solution

The third proportional to 620,736.75 and 1,386,790.88 is: 3,098,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,736.75 : 1,386,790.88 = 1,386,790.88 : x
  2. Step 2: Convert to fraction form
    620,736.75/1,386,790.88 = 1,386,790.88/x
  3. Step 3: Cross multiply
    620,736.75x = 1,386,790.88 × 1,386,790.88
  4. Step 4: Simplify right side
    620,736.75x = 1,923,188,930,983.27
  5. Step 5: Solve for x
    x = 1,923,188,930,983.27/620,736.75
  6. Step 6: Final answer
    x = 3,098,235.98

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.