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Finding the Third Proportional to 127,434 and 277,020

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Solution

The third proportional to 127,434 and 277,020 is: 602,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,434 : 277,020 = 277,020 : x
  2. Step 2: Convert to fraction form
    127,434/277,020 = 277,020/x
  3. Step 3: Cross multiply
    127,434x = 277,020 × 277,020
  4. Step 4: Simplify right side
    127,434x = 76,740,080,400
  5. Step 5: Solve for x
    x = 76,740,080,400/127,434
  6. Step 6: Final answer
    x = 602,194.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.