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Finding the Third Proportional to 71,248 and 153,916

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Solution

The third proportional to 71,248 and 153,916 is: 332,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,248 : 153,916 = 153,916 : x
  2. Step 2: Convert to fraction form
    71,248/153,916 = 153,916/x
  3. Step 3: Cross multiply
    71,248x = 153,916 × 153,916
  4. Step 4: Simplify right side
    71,248x = 23,690,135,056
  5. Step 5: Solve for x
    x = 23,690,135,056/71,248
  6. Step 6: Final answer
    x = 332,502.46

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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.