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Finding the Third Proportional to 135,670 and 295,447

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Solution

The third proportional to 135,670 and 295,447 is: 643,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,670 : 295,447 = 295,447 : x
  2. Step 2: Convert to fraction form
    135,670/295,447 = 295,447/x
  3. Step 3: Cross multiply
    135,670x = 295,447 × 295,447
  4. Step 4: Simplify right side
    135,670x = 87,288,929,809
  5. Step 5: Solve for x
    x = 87,288,929,809/135,670
  6. Step 6: Final answer
    x = 643,391.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.