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Finding the Third Proportional to 136,188 and 225,072

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Solution

The third proportional to 136,188 and 225,072 is: 371,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,188 : 225,072 = 225,072 : x
  2. Step 2: Convert to fraction form
    136,188/225,072 = 225,072/x
  3. Step 3: Cross multiply
    136,188x = 225,072 × 225,072
  4. Step 4: Simplify right side
    136,188x = 50,657,405,184
  5. Step 5: Solve for x
    x = 50,657,405,184/136,188
  6. Step 6: Final answer
    x = 371,966.73

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.