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Finding the Third Proportional to 53,598 and 81,261

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Solution

The third proportional to 53,598 and 81,261 is: 123,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,598 : 81,261 = 81,261 : x
  2. Step 2: Convert to fraction form
    53,598/81,261 = 81,261/x
  3. Step 3: Cross multiply
    53,598x = 81,261 × 81,261
  4. Step 4: Simplify right side
    53,598x = 6,603,350,121
  5. Step 5: Solve for x
    x = 6,603,350,121/53,598
  6. Step 6: Final answer
    x = 123,201.43

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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.