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Finding the Third Proportional to 161,236 and 254,220

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Solution

The third proportional to 161,236 and 254,220 is: 400,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,236 : 254,220 = 254,220 : x
  2. Step 2: Convert to fraction form
    161,236/254,220 = 254,220/x
  3. Step 3: Cross multiply
    161,236x = 254,220 × 254,220
  4. Step 4: Simplify right side
    161,236x = 64,627,808,400
  5. Step 5: Solve for x
    x = 64,627,808,400/161,236
  6. Step 6: Final answer
    x = 400,827.41

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.