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Finding the Third Proportional to 75,200 and 163,360

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Solution

The third proportional to 75,200 and 163,360 is: 354,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,200 : 163,360 = 163,360 : x
  2. Step 2: Convert to fraction form
    75,200/163,360 = 163,360/x
  3. Step 3: Cross multiply
    75,200x = 163,360 × 163,360
  4. Step 4: Simplify right side
    75,200x = 26,686,489,600
  5. Step 5: Solve for x
    x = 26,686,489,600/75,200
  6. Step 6: Final answer
    x = 354,873.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.