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Finding the Third Proportional to 131,360.50 and 203,818

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Solution

The third proportional to 131,360.50 and 203,818 is: 316,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,360.50 : 203,818 = 203,818 : x
  2. Step 2: Convert to fraction form
    131,360.50/203,818 = 203,818/x
  3. Step 3: Cross multiply
    131,360.50x = 203,818 × 203,818
  4. Step 4: Simplify right side
    131,360.50x = 41,541,777,124
  5. Step 5: Solve for x
    x = 41,541,777,124/131,360.50
  6. Step 6: Final answer
    x = 316,242.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.