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Finding the Third Proportional to 20,602.50 and 36,813.75

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Solution

The third proportional to 20,602.50 and 36,813.75 is: 65,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602.50 : 36,813.75 = 36,813.75 : x
  2. Step 2: Convert to fraction form
    20,602.50/36,813.75 = 36,813.75/x
  3. Step 3: Cross multiply
    20,602.50x = 36,813.75 × 36,813.75
  4. Step 4: Simplify right side
    20,602.50x = 1,355,252,189.06
  5. Step 5: Solve for x
    x = 1,355,252,189.06/20,602.50
  6. Step 6: Final answer
    x = 65,780.96

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.