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Finding the Third Proportional to 609,270.75 and 851,753.75

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Solution

The third proportional to 609,270.75 and 851,753.75 is: 1,190,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,270.75 : 851,753.75 = 851,753.75 : x
  2. Step 2: Convert to fraction form
    609,270.75/851,753.75 = 851,753.75/x
  3. Step 3: Cross multiply
    609,270.75x = 851,753.75 × 851,753.75
  4. Step 4: Simplify right side
    609,270.75x = 725,484,450,639.06
  5. Step 5: Solve for x
    x = 725,484,450,639.06/609,270.75
  6. Step 6: Final answer
    x = 1,190,742.29

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.