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Finding the Third Proportional to 301,272.75 and 399,829.50

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Solution

The third proportional to 301,272.75 and 399,829.50 is: 530,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,272.75 : 399,829.50 = 399,829.50 : x
  2. Step 2: Convert to fraction form
    301,272.75/399,829.50 = 399,829.50/x
  3. Step 3: Cross multiply
    301,272.75x = 399,829.50 × 399,829.50
  4. Step 4: Simplify right side
    301,272.75x = 159,863,629,070.25
  5. Step 5: Solve for x
    x = 159,863,629,070.25/301,272.75
  6. Step 6: Final answer
    x = 530,627.58

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.