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Finding the Third Proportional to 161,156 and 250,502

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Solution

The third proportional to 161,156 and 250,502 is: 389,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,156 : 250,502 = 250,502 : x
  2. Step 2: Convert to fraction form
    161,156/250,502 = 250,502/x
  3. Step 3: Cross multiply
    161,156x = 250,502 × 250,502
  4. Step 4: Simplify right side
    161,156x = 62,751,252,004
  5. Step 5: Solve for x
    x = 62,751,252,004/161,156
  6. Step 6: Final answer
    x = 389,382.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.