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Finding the Third Proportional to 283,800.75 and 439,471.50

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Solution

The third proportional to 283,800.75 and 439,471.50 is: 680,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,800.75 : 439,471.50 = 439,471.50 : x
  2. Step 2: Convert to fraction form
    283,800.75/439,471.50 = 439,471.50/x
  3. Step 3: Cross multiply
    283,800.75x = 439,471.50 × 439,471.50
  4. Step 4: Simplify right side
    283,800.75x = 193,135,199,312.25
  5. Step 5: Solve for x
    x = 193,135,199,312.25/283,800.75
  6. Step 6: Final answer
    x = 680,530.97

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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.