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Finding the Third Proportional to 55,292 and 83,396

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Solution

The third proportional to 55,292 and 83,396 is: 125,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292 : 83,396 = 83,396 : x
  2. Step 2: Convert to fraction form
    55,292/83,396 = 83,396/x
  3. Step 3: Cross multiply
    55,292x = 83,396 × 83,396
  4. Step 4: Simplify right side
    55,292x = 6,954,892,816
  5. Step 5: Solve for x
    x = 6,954,892,816/55,292
  6. Step 6: Final answer
    x = 125,784.79

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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.