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Finding the Third Proportional to 53,632 and 81,600

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Solution

The third proportional to 53,632 and 81,600 is: 124,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,632 : 81,600 = 81,600 : x
  2. Step 2: Convert to fraction form
    53,632/81,600 = 81,600/x
  3. Step 3: Cross multiply
    53,632x = 81,600 × 81,600
  4. Step 4: Simplify right side
    53,632x = 6,658,560,000
  5. Step 5: Solve for x
    x = 6,658,560,000/53,632
  6. Step 6: Final answer
    x = 124,152.74

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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.