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Finding the Third Proportional to 283,161.75 and 428,860.50

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Solution

The third proportional to 283,161.75 and 428,860.50 is: 649,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,161.75 : 428,860.50 = 428,860.50 : x
  2. Step 2: Convert to fraction form
    283,161.75/428,860.50 = 428,860.50/x
  3. Step 3: Cross multiply
    283,161.75x = 428,860.50 × 428,860.50
  4. Step 4: Simplify right side
    283,161.75x = 183,921,328,460.25
  5. Step 5: Solve for x
    x = 183,921,328,460.25/283,161.75
  6. Step 6: Final answer
    x = 649,527.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.