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Finding the Third Proportional to 70,140 and 151,578

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Solution

The third proportional to 70,140 and 151,578 is: 327,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,140 : 151,578 = 151,578 : x
  2. Step 2: Convert to fraction form
    70,140/151,578 = 151,578/x
  3. Step 3: Cross multiply
    70,140x = 151,578 × 151,578
  4. Step 4: Simplify right side
    70,140x = 22,975,890,084
  5. Step 5: Solve for x
    x = 22,975,890,084/70,140
  6. Step 6: Final answer
    x = 327,571.86

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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.