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Finding the Third Proportional to 117,074 and 174,315

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Solution

The third proportional to 117,074 and 174,315 is: 259,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,074 : 174,315 = 174,315 : x
  2. Step 2: Convert to fraction form
    117,074/174,315 = 174,315/x
  3. Step 3: Cross multiply
    117,074x = 174,315 × 174,315
  4. Step 4: Simplify right side
    117,074x = 30,385,719,225
  5. Step 5: Solve for x
    x = 30,385,719,225/117,074
  6. Step 6: Final answer
    x = 259,542.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.