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Finding the Third Proportional to 169,304 and 253,128

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Solution

The third proportional to 169,304 and 253,128 is: 378,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,304 : 253,128 = 253,128 : x
  2. Step 2: Convert to fraction form
    169,304/253,128 = 253,128/x
  3. Step 3: Cross multiply
    169,304x = 253,128 × 253,128
  4. Step 4: Simplify right side
    169,304x = 64,073,784,384
  5. Step 5: Solve for x
    x = 64,073,784,384/169,304
  6. Step 6: Final answer
    x = 378,454.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.