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Finding the Third Proportional to 62,838 and 136,740

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Solution

The third proportional to 62,838 and 136,740 is: 297,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,838 : 136,740 = 136,740 : x
  2. Step 2: Convert to fraction form
    62,838/136,740 = 136,740/x
  3. Step 3: Cross multiply
    62,838x = 136,740 × 136,740
  4. Step 4: Simplify right side
    62,838x = 18,697,827,600
  5. Step 5: Solve for x
    x = 18,697,827,600/62,838
  6. Step 6: Final answer
    x = 297,556.06

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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.