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Finding the Third Proportional to 71,865 and 151,179

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Solution

The third proportional to 71,865 and 151,179 is: 318,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,865 : 151,179 = 151,179 : x
  2. Step 2: Convert to fraction form
    71,865/151,179 = 151,179/x
  3. Step 3: Cross multiply
    71,865x = 151,179 × 151,179
  4. Step 4: Simplify right side
    71,865x = 22,855,090,041
  5. Step 5: Solve for x
    x = 22,855,090,041/71,865
  6. Step 6: Final answer
    x = 318,028.11

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.