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Finding the Third Proportional to 278,936.63 and 609,844.50

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Solution

The third proportional to 278,936.63 and 609,844.50 is: 1,333,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,936.63 : 609,844.50 = 609,844.50 : x
  2. Step 2: Convert to fraction form
    278,936.63/609,844.50 = 609,844.50/x
  3. Step 3: Cross multiply
    278,936.63x = 609,844.50 × 609,844.50
  4. Step 4: Simplify right side
    278,936.63x = 371,910,314,180.25
  5. Step 5: Solve for x
    x = 371,910,314,180.25/278,936.63
  6. Step 6: Final answer
    x = 1,333,314.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.