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Finding the Third Proportional to 69,082 and 147,644

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Solution

The third proportional to 69,082 and 147,644 is: 315,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,082 : 147,644 = 147,644 : x
  2. Step 2: Convert to fraction form
    69,082/147,644 = 147,644/x
  3. Step 3: Cross multiply
    69,082x = 147,644 × 147,644
  4. Step 4: Simplify right side
    69,082x = 21,798,750,736
  5. Step 5: Solve for x
    x = 21,798,750,736/69,082
  6. Step 6: Final answer
    x = 315,548.92

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.