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Finding the Third Proportional to 171,480 and 376,160

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Solution

The third proportional to 171,480 and 376,160 is: 825,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,480 : 376,160 = 376,160 : x
  2. Step 2: Convert to fraction form
    171,480/376,160 = 376,160/x
  3. Step 3: Cross multiply
    171,480x = 376,160 × 376,160
  4. Step 4: Simplify right side
    171,480x = 141,496,345,600
  5. Step 5: Solve for x
    x = 141,496,345,600/171,480
  6. Step 6: Final answer
    x = 825,147.80

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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.