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Finding the Third Proportional to 261,327 and 554,052

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Solution

The third proportional to 261,327 and 554,052 is: 1,174,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,327 : 554,052 = 554,052 : x
  2. Step 2: Convert to fraction form
    261,327/554,052 = 554,052/x
  3. Step 3: Cross multiply
    261,327x = 554,052 × 554,052
  4. Step 4: Simplify right side
    261,327x = 306,973,618,704
  5. Step 5: Solve for x
    x = 306,973,618,704/261,327
  6. Step 6: Final answer
    x = 1,174,672.42

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.