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Finding the Third Proportional to 53,754 and 82,485

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Solution

The third proportional to 53,754 and 82,485 is: 126,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,754 : 82,485 = 82,485 : x
  2. Step 2: Convert to fraction form
    53,754/82,485 = 82,485/x
  3. Step 3: Cross multiply
    53,754x = 82,485 × 82,485
  4. Step 4: Simplify right side
    53,754x = 6,803,775,225
  5. Step 5: Solve for x
    x = 6,803,775,225/53,754
  6. Step 6: Final answer
    x = 126,572.45

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.