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Finding the Third Proportional to 231,640 and 367,089

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Solution

The third proportional to 231,640 and 367,089 is: 581,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,640 : 367,089 = 367,089 : x
  2. Step 2: Convert to fraction form
    231,640/367,089 = 367,089/x
  3. Step 3: Cross multiply
    231,640x = 367,089 × 367,089
  4. Step 4: Simplify right side
    231,640x = 134,754,333,921
  5. Step 5: Solve for x
    x = 134,754,333,921/231,640
  6. Step 6: Final answer
    x = 581,740.35

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.