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Finding the Third Proportional to 301,740 and 628,272

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Solution

The third proportional to 301,740 and 628,272 is: 1,308,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,740 : 628,272 = 628,272 : x
  2. Step 2: Convert to fraction form
    301,740/628,272 = 628,272/x
  3. Step 3: Cross multiply
    301,740x = 628,272 × 628,272
  4. Step 4: Simplify right side
    301,740x = 394,725,705,984
  5. Step 5: Solve for x
    x = 394,725,705,984/301,740
  6. Step 6: Final answer
    x = 1,308,165.00

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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.