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Finding the Third Proportional to 127,028 and 270,931

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Solution

The third proportional to 127,028 and 270,931 is: 577,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,028 : 270,931 = 270,931 : x
  2. Step 2: Convert to fraction form
    127,028/270,931 = 270,931/x
  3. Step 3: Cross multiply
    127,028x = 270,931 × 270,931
  4. Step 4: Simplify right side
    127,028x = 73,403,606,761
  5. Step 5: Solve for x
    x = 73,403,606,761/127,028
  6. Step 6: Final answer
    x = 577,853.75

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.