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Finding the Third Proportional to 135,376 and 202,272

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Solution

The third proportional to 135,376 and 202,272 is: 302,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,376 : 202,272 = 202,272 : x
  2. Step 2: Convert to fraction form
    135,376/202,272 = 202,272/x
  3. Step 3: Cross multiply
    135,376x = 202,272 × 202,272
  4. Step 4: Simplify right side
    135,376x = 40,913,961,984
  5. Step 5: Solve for x
    x = 40,913,961,984/135,376
  6. Step 6: Final answer
    x = 302,224.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.