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Finding the Third Proportional to 132,155 and 201,330

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Solution

The third proportional to 132,155 and 201,330 is: 306,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,155 : 201,330 = 201,330 : x
  2. Step 2: Convert to fraction form
    132,155/201,330 = 201,330/x
  3. Step 3: Cross multiply
    132,155x = 201,330 × 201,330
  4. Step 4: Simplify right side
    132,155x = 40,533,768,900
  5. Step 5: Solve for x
    x = 40,533,768,900/132,155
  6. Step 6: Final answer
    x = 306,713.85

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.