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Finding the Third Proportional to 178,574 and 270,165

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Solution

The third proportional to 178,574 and 270,165 is: 408,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,574 : 270,165 = 270,165 : x
  2. Step 2: Convert to fraction form
    178,574/270,165 = 270,165/x
  3. Step 3: Cross multiply
    178,574x = 270,165 × 270,165
  4. Step 4: Simplify right side
    178,574x = 72,989,127,225
  5. Step 5: Solve for x
    x = 72,989,127,225/178,574
  6. Step 6: Final answer
    x = 408,733.23

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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.