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Finding the Third Proportional to 58,458 and 82,716

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Solution

The third proportional to 58,458 and 82,716 is: 117,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458 : 82,716 = 82,716 : x
  2. Step 2: Convert to fraction form
    58,458/82,716 = 82,716/x
  3. Step 3: Cross multiply
    58,458x = 82,716 × 82,716
  4. Step 4: Simplify right side
    58,458x = 6,841,936,656
  5. Step 5: Solve for x
    x = 6,841,936,656/58,458
  6. Step 6: Final answer
    x = 117,040.21

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.