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Finding the Third Proportional to 36,507 and 79,211

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Solution

The third proportional to 36,507 and 79,211 is: 171,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507 : 79,211 = 79,211 : x
  2. Step 2: Convert to fraction form
    36,507/79,211 = 79,211/x
  3. Step 3: Cross multiply
    36,507x = 79,211 × 79,211
  4. Step 4: Simplify right side
    36,507x = 6,274,382,521
  5. Step 5: Solve for x
    x = 6,274,382,521/36,507
  6. Step 6: Final answer
    x = 171,867.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.