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Finding the Third Proportional to 74,455 and 116,543

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Solution

The third proportional to 74,455 and 116,543 is: 182,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,455 : 116,543 = 116,543 : x
  2. Step 2: Convert to fraction form
    74,455/116,543 = 116,543/x
  3. Step 3: Cross multiply
    74,455x = 116,543 × 116,543
  4. Step 4: Simplify right side
    74,455x = 13,582,270,849
  5. Step 5: Solve for x
    x = 13,582,270,849/74,455
  6. Step 6: Final answer
    x = 182,422.55

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.