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Finding the Third Proportional to 135,342 and 297,684

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Solution

The third proportional to 135,342 and 297,684 is: 654,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,342 : 297,684 = 297,684 : x
  2. Step 2: Convert to fraction form
    135,342/297,684 = 297,684/x
  3. Step 3: Cross multiply
    135,342x = 297,684 × 297,684
  4. Step 4: Simplify right side
    135,342x = 88,615,763,856
  5. Step 5: Solve for x
    x = 88,615,763,856/135,342
  6. Step 6: Final answer
    x = 654,754.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.