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Finding the Third Proportional to 168,488 and 253,164

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Solution

The third proportional to 168,488 and 253,164 is: 380,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,488 : 253,164 = 253,164 : x
  2. Step 2: Convert to fraction form
    168,488/253,164 = 253,164/x
  3. Step 3: Cross multiply
    168,488x = 253,164 × 253,164
  4. Step 4: Simplify right side
    168,488x = 64,092,010,896
  5. Step 5: Solve for x
    x = 64,092,010,896/168,488
  6. Step 6: Final answer
    x = 380,395.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.