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Finding the Third Proportional to 135,963.50 and 254,370

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Solution

The third proportional to 135,963.50 and 254,370 is: 475,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,963.50 : 254,370 = 254,370 : x
  2. Step 2: Convert to fraction form
    135,963.50/254,370 = 254,370/x
  3. Step 3: Cross multiply
    135,963.50x = 254,370 × 254,370
  4. Step 4: Simplify right side
    135,963.50x = 64,704,096,900
  5. Step 5: Solve for x
    x = 64,704,096,900/135,963.50
  6. Step 6: Final answer
    x = 475,893.14

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.