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Finding the Third Proportional to 151,275.75 and 219,816

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Solution

The third proportional to 151,275.75 and 219,816 is: 319,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,275.75 : 219,816 = 219,816 : x
  2. Step 2: Convert to fraction form
    151,275.75/219,816 = 219,816/x
  3. Step 3: Cross multiply
    151,275.75x = 219,816 × 219,816
  4. Step 4: Simplify right side
    151,275.75x = 48,319,073,856
  5. Step 5: Solve for x
    x = 48,319,073,856/151,275.75
  6. Step 6: Final answer
    x = 319,410.57

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.