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Finding the Third Proportional to 136,297.69 and 279,396.84

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Solution

The third proportional to 136,297.69 and 279,396.84 is: 572,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,297.69 : 279,396.84 = 279,396.84 : x
  2. Step 2: Convert to fraction form
    136,297.69/279,396.84 = 279,396.84/x
  3. Step 3: Cross multiply
    136,297.69x = 279,396.84 × 279,396.84
  4. Step 4: Simplify right side
    136,297.69x = 78,062,596,297.46
  5. Step 5: Solve for x
    x = 78,062,596,297.46/136,297.69
  6. Step 6: Final answer
    x = 572,736.03

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.