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Finding the Third Proportional to 68,252 and 147,603

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Solution

The third proportional to 68,252 and 147,603 is: 319,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,252 : 147,603 = 147,603 : x
  2. Step 2: Convert to fraction form
    68,252/147,603 = 147,603/x
  3. Step 3: Cross multiply
    68,252x = 147,603 × 147,603
  4. Step 4: Simplify right side
    68,252x = 21,786,645,609
  5. Step 5: Solve for x
    x = 21,786,645,609/68,252
  6. Step 6: Final answer
    x = 319,208.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.