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Finding the Third Proportional to 136,503 and 295,203

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Solution

The third proportional to 136,503 and 295,203 is: 638,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,503 : 295,203 = 295,203 : x
  2. Step 2: Convert to fraction form
    136,503/295,203 = 295,203/x
  3. Step 3: Cross multiply
    136,503x = 295,203 × 295,203
  4. Step 4: Simplify right side
    136,503x = 87,144,811,209
  5. Step 5: Solve for x
    x = 87,144,811,209/136,503
  6. Step 6: Final answer
    x = 638,409.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.