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Finding the Third Proportional to 444,487.50 and 689,296.50

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Solution

The third proportional to 444,487.50 and 689,296.50 is: 1,068,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,487.50 : 689,296.50 = 689,296.50 : x
  2. Step 2: Convert to fraction form
    444,487.50/689,296.50 = 689,296.50/x
  3. Step 3: Cross multiply
    444,487.50x = 689,296.50 × 689,296.50
  4. Step 4: Simplify right side
    444,487.50x = 475,129,664,912.25
  5. Step 5: Solve for x
    x = 475,129,664,912.25/444,487.50
  6. Step 6: Final answer
    x = 1,068,938.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.