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Finding the Third Proportional to 54,576 and 81,526.50

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Solution

The third proportional to 54,576 and 81,526.50 is: 121,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576 : 81,526.50 = 81,526.50 : x
  2. Step 2: Convert to fraction form
    54,576/81,526.50 = 81,526.50/x
  3. Step 3: Cross multiply
    54,576x = 81,526.50 × 81,526.50
  4. Step 4: Simplify right side
    54,576x = 6,646,570,202.25
  5. Step 5: Solve for x
    x = 6,646,570,202.25/54,576
  6. Step 6: Final answer
    x = 121,785.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.