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Finding the Third Proportional to 54,488 and 82,046

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Solution

The third proportional to 54,488 and 82,046 is: 123,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488 : 82,046 = 82,046 : x
  2. Step 2: Convert to fraction form
    54,488/82,046 = 82,046/x
  3. Step 3: Cross multiply
    54,488x = 82,046 × 82,046
  4. Step 4: Simplify right side
    54,488x = 6,731,546,116
  5. Step 5: Solve for x
    x = 6,731,546,116/54,488
  6. Step 6: Final answer
    x = 123,541.81

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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.