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Finding the Third Proportional to 70,315 and 151,855

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Solution

The third proportional to 70,315 and 151,855 is: 327,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,315 : 151,855 = 151,855 : x
  2. Step 2: Convert to fraction form
    70,315/151,855 = 151,855/x
  3. Step 3: Cross multiply
    70,315x = 151,855 × 151,855
  4. Step 4: Simplify right side
    70,315x = 23,059,941,025
  5. Step 5: Solve for x
    x = 23,059,941,025/70,315
  6. Step 6: Final answer
    x = 327,951.95

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.