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Finding the Third Proportional to 131,376 and 202,248

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Solution

The third proportional to 131,376 and 202,248 is: 311,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,376 : 202,248 = 202,248 : x
  2. Step 2: Convert to fraction form
    131,376/202,248 = 202,248/x
  3. Step 3: Cross multiply
    131,376x = 202,248 × 202,248
  4. Step 4: Simplify right side
    131,376x = 40,904,253,504
  5. Step 5: Solve for x
    x = 40,904,253,504/131,376
  6. Step 6: Final answer
    x = 311,352.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.