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Finding the Third Proportional to 10,979.50 and 16,438.75

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Solution

The third proportional to 10,979.50 and 16,438.75 is: 24,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.50 : 16,438.75 = 16,438.75 : x
  2. Step 2: Convert to fraction form
    10,979.50/16,438.75 = 16,438.75/x
  3. Step 3: Cross multiply
    10,979.50x = 16,438.75 × 16,438.75
  4. Step 4: Simplify right side
    10,979.50x = 270,232,501.56
  5. Step 5: Solve for x
    x = 270,232,501.56/10,979.50
  6. Step 6: Final answer
    x = 24,612.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.