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Finding the Third Proportional to 53,058.38 and 80,271

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Solution

The third proportional to 53,058.38 and 80,271 is: 121,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,058.38 : 80,271 = 80,271 : x
  2. Step 2: Convert to fraction form
    53,058.38/80,271 = 80,271/x
  3. Step 3: Cross multiply
    53,058.38x = 80,271 × 80,271
  4. Step 4: Simplify right side
    53,058.38x = 6,443,433,441
  5. Step 5: Solve for x
    x = 6,443,433,441/53,058.38
  6. Step 6: Final answer
    x = 121,440.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.