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Finding the Third Proportional to 54,818 and 82,007

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Solution

The third proportional to 54,818 and 82,007 is: 122,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818 : 82,007 = 82,007 : x
  2. Step 2: Convert to fraction form
    54,818/82,007 = 82,007/x
  3. Step 3: Cross multiply
    54,818x = 82,007 × 82,007
  4. Step 4: Simplify right side
    54,818x = 6,725,148,049
  5. Step 5: Solve for x
    x = 6,725,148,049/54,818
  6. Step 6: Final answer
    x = 122,681.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.