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Finding the Third Proportional to 126,907 and 272,952

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Solution

The third proportional to 126,907 and 272,952 is: 587,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,907 : 272,952 = 272,952 : x
  2. Step 2: Convert to fraction form
    126,907/272,952 = 272,952/x
  3. Step 3: Cross multiply
    126,907x = 272,952 × 272,952
  4. Step 4: Simplify right side
    126,907x = 74,502,794,304
  5. Step 5: Solve for x
    x = 74,502,794,304/126,907
  6. Step 6: Final answer
    x = 587,066.07

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.