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Finding the Third Proportional to 285,879 and 608,734.50

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Solution

The third proportional to 285,879 and 608,734.50 is: 1,296,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,879 : 608,734.50 = 608,734.50 : x
  2. Step 2: Convert to fraction form
    285,879/608,734.50 = 608,734.50/x
  3. Step 3: Cross multiply
    285,879x = 608,734.50 × 608,734.50
  4. Step 4: Simplify right side
    285,879x = 370,557,691,490.25
  5. Step 5: Solve for x
    x = 370,557,691,490.25/285,879
  6. Step 6: Final answer
    x = 1,296,204.66

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.