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Finding the Third Proportional to 69,042.38 and 101,285.44

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Solution

The third proportional to 69,042.38 and 101,285.44 is: 148,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,042.38 : 101,285.44 = 101,285.44 : x
  2. Step 2: Convert to fraction form
    69,042.38/101,285.44 = 101,285.44/x
  3. Step 3: Cross multiply
    69,042.38x = 101,285.44 × 101,285.44
  4. Step 4: Simplify right side
    69,042.38x = 10,258,739,849.57
  5. Step 5: Solve for x
    x = 10,258,739,849.57/69,042.38
  6. Step 6: Final answer
    x = 148,586.14

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.