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Finding the Third Proportional to 54,618 and 82,311.75

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Solution

The third proportional to 54,618 and 82,311.75 is: 124,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618 : 82,311.75 = 82,311.75 : x
  2. Step 2: Convert to fraction form
    54,618/82,311.75 = 82,311.75/x
  3. Step 3: Cross multiply
    54,618x = 82,311.75 × 82,311.75
  4. Step 4: Simplify right side
    54,618x = 6,775,224,188.06
  5. Step 5: Solve for x
    x = 6,775,224,188.06/54,618
  6. Step 6: Final answer
    x = 124,047.46

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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.