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Finding the Third Proportional to 301,863.38 and 628,530.75

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Solution

The third proportional to 301,863.38 and 628,530.75 is: 1,308,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,863.38 : 628,530.75 = 628,530.75 : x
  2. Step 2: Convert to fraction form
    301,863.38/628,530.75 = 628,530.75/x
  3. Step 3: Cross multiply
    301,863.38x = 628,530.75 × 628,530.75
  4. Step 4: Simplify right side
    301,863.38x = 395,050,903,695.56
  5. Step 5: Solve for x
    x = 395,050,903,695.56/301,863.38
  6. Step 6: Final answer
    x = 1,308,707.64

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.