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Finding the Third Proportional to 66,351 and 147,525

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Solution

The third proportional to 66,351 and 147,525 is: 328,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,351 : 147,525 = 147,525 : x
  2. Step 2: Convert to fraction form
    66,351/147,525 = 147,525/x
  3. Step 3: Cross multiply
    66,351x = 147,525 × 147,525
  4. Step 4: Simplify right side
    66,351x = 21,763,625,625
  5. Step 5: Solve for x
    x = 21,763,625,625/66,351
  6. Step 6: Final answer
    x = 328,007.50

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.