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Finding the Third Proportional to 14,285.50 and 20,869.75

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Solution

The third proportional to 14,285.50 and 20,869.75 is: 30,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.50 : 20,869.75 = 20,869.75 : x
  2. Step 2: Convert to fraction form
    14,285.50/20,869.75 = 20,869.75/x
  3. Step 3: Cross multiply
    14,285.50x = 20,869.75 × 20,869.75
  4. Step 4: Simplify right side
    14,285.50x = 435,546,465.06
  5. Step 5: Solve for x
    x = 435,546,465.06/14,285.50
  6. Step 6: Final answer
    x = 30,488.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.