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Finding the Third Proportional to 258,835.50 and 530,219.25

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Solution

The third proportional to 258,835.50 and 530,219.25 is: 1,086,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,835.50 : 530,219.25 = 530,219.25 : x
  2. Step 2: Convert to fraction form
    258,835.50/530,219.25 = 530,219.25/x
  3. Step 3: Cross multiply
    258,835.50x = 530,219.25 × 530,219.25
  4. Step 4: Simplify right side
    258,835.50x = 281,132,453,070.56
  5. Step 5: Solve for x
    x = 281,132,453,070.56/258,835.50
  6. Step 6: Final answer
    x = 1,086,143.33

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.