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Finding the Third Proportional to 102,591 and 155,253

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Solution

The third proportional to 102,591 and 155,253 is: 234,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,591 : 155,253 = 155,253 : x
  2. Step 2: Convert to fraction form
    102,591/155,253 = 155,253/x
  3. Step 3: Cross multiply
    102,591x = 155,253 × 155,253
  4. Step 4: Simplify right side
    102,591x = 24,103,494,009
  5. Step 5: Solve for x
    x = 24,103,494,009/102,591
  6. Step 6: Final answer
    x = 234,947.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.