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Finding the Third Proportional to 145,923 and 209,668.50

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Solution

The third proportional to 145,923 and 209,668.50 is: 301,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,923 : 209,668.50 = 209,668.50 : x
  2. Step 2: Convert to fraction form
    145,923/209,668.50 = 209,668.50/x
  3. Step 3: Cross multiply
    145,923x = 209,668.50 × 209,668.50
  4. Step 4: Simplify right side
    145,923x = 43,960,879,892.25
  5. Step 5: Solve for x
    x = 43,960,879,892.25/145,923
  6. Step 6: Final answer
    x = 301,260.80

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.