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Finding the Third Proportional to 71,136 and 154,800

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Solution

The third proportional to 71,136 and 154,800 is: 336,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,136 : 154,800 = 154,800 : x
  2. Step 2: Convert to fraction form
    71,136/154,800 = 154,800/x
  3. Step 3: Cross multiply
    71,136x = 154,800 × 154,800
  4. Step 4: Simplify right side
    71,136x = 23,963,040,000
  5. Step 5: Solve for x
    x = 23,963,040,000/71,136
  6. Step 6: Final answer
    x = 336,862.35

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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.