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Finding the Third Proportional to 690,140.50 and 1,505,759

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Solution

The third proportional to 690,140.50 and 1,505,759 is: 3,285,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,140.50 : 1,505,759 = 1,505,759 : x
  2. Step 2: Convert to fraction form
    690,140.50/1,505,759 = 1,505,759/x
  3. Step 3: Cross multiply
    690,140.50x = 1,505,759 × 1,505,759
  4. Step 4: Simplify right side
    690,140.50x = 2,267,310,166,081
  5. Step 5: Solve for x
    x = 2,267,310,166,081/690,140.50
  6. Step 6: Final answer
    x = 3,285,287.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.