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Finding the Third Proportional to 55,993 and 82,336

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Solution

The third proportional to 55,993 and 82,336 is: 121,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,993 : 82,336 = 82,336 : x
  2. Step 2: Convert to fraction form
    55,993/82,336 = 82,336/x
  3. Step 3: Cross multiply
    55,993x = 82,336 × 82,336
  4. Step 4: Simplify right side
    55,993x = 6,779,216,896
  5. Step 5: Solve for x
    x = 6,779,216,896/55,993
  6. Step 6: Final answer
    x = 121,072.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.