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Finding the Third Proportional to 628,654.50 and 1,356,939

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Solution

The third proportional to 628,654.50 and 1,356,939 is: 2,928,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,654.50 : 1,356,939 = 1,356,939 : x
  2. Step 2: Convert to fraction form
    628,654.50/1,356,939 = 1,356,939/x
  3. Step 3: Cross multiply
    628,654.50x = 1,356,939 × 1,356,939
  4. Step 4: Simplify right side
    628,654.50x = 1,841,283,449,721
  5. Step 5: Solve for x
    x = 1,841,283,449,721/628,654.50
  6. Step 6: Final answer
    x = 2,928,927.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.