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Finding the Third Proportional to 266,773.50 and 406,935

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Solution

The third proportional to 266,773.50 and 406,935 is: 620,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,773.50 : 406,935 = 406,935 : x
  2. Step 2: Convert to fraction form
    266,773.50/406,935 = 406,935/x
  3. Step 3: Cross multiply
    266,773.50x = 406,935 × 406,935
  4. Step 4: Simplify right side
    266,773.50x = 165,596,094,225
  5. Step 5: Solve for x
    x = 165,596,094,225/266,773.50
  6. Step 6: Final answer
    x = 620,736.67

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.