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Finding the Third Proportional to 53,202 and 80,957

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Solution

The third proportional to 53,202 and 80,957 is: 123,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,202 : 80,957 = 80,957 : x
  2. Step 2: Convert to fraction form
    53,202/80,957 = 80,957/x
  3. Step 3: Cross multiply
    53,202x = 80,957 × 80,957
  4. Step 4: Simplify right side
    53,202x = 6,554,035,849
  5. Step 5: Solve for x
    x = 6,554,035,849/53,202
  6. Step 6: Final answer
    x = 123,191.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.