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Finding the Third Proportional to 99,146 and 148,611

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Solution

The third proportional to 99,146 and 148,611 is: 222,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,146 : 148,611 = 148,611 : x
  2. Step 2: Convert to fraction form
    99,146/148,611 = 148,611/x
  3. Step 3: Cross multiply
    99,146x = 148,611 × 148,611
  4. Step 4: Simplify right side
    99,146x = 22,085,229,321
  5. Step 5: Solve for x
    x = 22,085,229,321/99,146
  6. Step 6: Final answer
    x = 222,754.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.