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Finding the Third Proportional to 279,536.50 and 372,432.50

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Solution

The third proportional to 279,536.50 and 372,432.50 is: 496,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,536.50 : 372,432.50 = 372,432.50 : x
  2. Step 2: Convert to fraction form
    279,536.50/372,432.50 = 372,432.50/x
  3. Step 3: Cross multiply
    279,536.50x = 372,432.50 × 372,432.50
  4. Step 4: Simplify right side
    279,536.50x = 138,705,967,056.25
  5. Step 5: Solve for x
    x = 138,705,967,056.25/279,536.50
  6. Step 6: Final answer
    x = 496,199.84

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.