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Finding the Third Proportional to 91,344 and 143,326

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Solution

The third proportional to 91,344 and 143,326 is: 224,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,344 : 143,326 = 143,326 : x
  2. Step 2: Convert to fraction form
    91,344/143,326 = 143,326/x
  3. Step 3: Cross multiply
    91,344x = 143,326 × 143,326
  4. Step 4: Simplify right side
    91,344x = 20,542,342,276
  5. Step 5: Solve for x
    x = 20,542,342,276/91,344
  6. Step 6: Final answer
    x = 224,889.89

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.