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Finding the Third Proportional to 136,740 and 293,919

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Solution

The third proportional to 136,740 and 293,919 is: 631,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,740 : 293,919 = 293,919 : x
  2. Step 2: Convert to fraction form
    136,740/293,919 = 293,919/x
  3. Step 3: Cross multiply
    136,740x = 293,919 × 293,919
  4. Step 4: Simplify right side
    136,740x = 86,388,378,561
  5. Step 5: Solve for x
    x = 86,388,378,561/136,740
  6. Step 6: Final answer
    x = 631,771.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.