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Finding the Third Proportional to 119,078 and 256,852

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Solution

The third proportional to 119,078 and 256,852 is: 554,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,078 : 256,852 = 256,852 : x
  2. Step 2: Convert to fraction form
    119,078/256,852 = 256,852/x
  3. Step 3: Cross multiply
    119,078x = 256,852 × 256,852
  4. Step 4: Simplify right side
    119,078x = 65,972,949,904
  5. Step 5: Solve for x
    x = 65,972,949,904/119,078
  6. Step 6: Final answer
    x = 554,031.39

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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.