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Finding the Third Proportional to 127,392 and 269,952

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Solution

The third proportional to 127,392 and 269,952 is: 572,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,392 : 269,952 = 269,952 : x
  2. Step 2: Convert to fraction form
    127,392/269,952 = 269,952/x
  3. Step 3: Cross multiply
    127,392x = 269,952 × 269,952
  4. Step 4: Simplify right side
    127,392x = 72,874,082,304
  5. Step 5: Solve for x
    x = 72,874,082,304/127,392
  6. Step 6: Final answer
    x = 572,045.99

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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.