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Finding the Third Proportional to 79,323 and 174,342

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Solution

The third proportional to 79,323 and 174,342 is: 383,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,323 : 174,342 = 174,342 : x
  2. Step 2: Convert to fraction form
    79,323/174,342 = 174,342/x
  3. Step 3: Cross multiply
    79,323x = 174,342 × 174,342
  4. Step 4: Simplify right side
    79,323x = 30,395,132,964
  5. Step 5: Solve for x
    x = 30,395,132,964/79,323
  6. Step 6: Final answer
    x = 383,181.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.