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Finding the Third Proportional to 312,279 and 467,565

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Solution

The third proportional to 312,279 and 467,565 is: 700,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,279 : 467,565 = 467,565 : x
  2. Step 2: Convert to fraction form
    312,279/467,565 = 467,565/x
  3. Step 3: Cross multiply
    312,279x = 467,565 × 467,565
  4. Step 4: Simplify right side
    312,279x = 218,617,029,225
  5. Step 5: Solve for x
    x = 218,617,029,225/312,279
  6. Step 6: Final answer
    x = 700,069.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.