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Finding the Third Proportional to 4,432.50 and 8,338.50

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Solution

The third proportional to 4,432.50 and 8,338.50 is: 15,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.50 : 8,338.50 = 8,338.50 : x
  2. Step 2: Convert to fraction form
    4,432.50/8,338.50 = 8,338.50/x
  3. Step 3: Cross multiply
    4,432.50x = 8,338.50 × 8,338.50
  4. Step 4: Simplify right side
    4,432.50x = 69,530,582.25
  5. Step 5: Solve for x
    x = 69,530,582.25/4,432.50
  6. Step 6: Final answer
    x = 15,686.54

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.