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Finding the Third Proportional to 171,120 and 375,408

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Solution

The third proportional to 171,120 and 375,408 is: 823,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,120 : 375,408 = 375,408 : x
  2. Step 2: Convert to fraction form
    171,120/375,408 = 375,408/x
  3. Step 3: Cross multiply
    171,120x = 375,408 × 375,408
  4. Step 4: Simplify right side
    171,120x = 140,931,166,464
  5. Step 5: Solve for x
    x = 140,931,166,464/171,120
  6. Step 6: Final answer
    x = 823,580.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.