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Finding the Third Proportional to 258,536 and 540,496

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Solution

The third proportional to 258,536 and 540,496 is: 1,129,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,536 : 540,496 = 540,496 : x
  2. Step 2: Convert to fraction form
    258,536/540,496 = 540,496/x
  3. Step 3: Cross multiply
    258,536x = 540,496 × 540,496
  4. Step 4: Simplify right side
    258,536x = 292,135,926,016
  5. Step 5: Solve for x
    x = 292,135,926,016/258,536
  6. Step 6: Final answer
    x = 1,129,962.27

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.