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Finding the Third Proportional to 68,256 and 147,048

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Solution

The third proportional to 68,256 and 147,048 is: 316,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256 : 147,048 = 147,048 : x
  2. Step 2: Convert to fraction form
    68,256/147,048 = 147,048/x
  3. Step 3: Cross multiply
    68,256x = 147,048 × 147,048
  4. Step 4: Simplify right side
    68,256x = 21,623,114,304
  5. Step 5: Solve for x
    x = 21,623,114,304/68,256
  6. Step 6: Final answer
    x = 316,794.34

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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.