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Finding the Third Proportional to 238,082 and 368,487

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Solution

The third proportional to 238,082 and 368,487 is: 570,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,082 : 368,487 = 368,487 : x
  2. Step 2: Convert to fraction form
    238,082/368,487 = 368,487/x
  3. Step 3: Cross multiply
    238,082x = 368,487 × 368,487
  4. Step 4: Simplify right side
    238,082x = 135,782,669,169
  5. Step 5: Solve for x
    x = 135,782,669,169/238,082
  6. Step 6: Final answer
    x = 570,318.92

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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.