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Finding the Third Proportional to 168,019.13 and 266,179.50

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Solution

The third proportional to 168,019.13 and 266,179.50 is: 421,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,019.13 : 266,179.50 = 266,179.50 : x
  2. Step 2: Convert to fraction form
    168,019.13/266,179.50 = 266,179.50/x
  3. Step 3: Cross multiply
    168,019.13x = 266,179.50 × 266,179.50
  4. Step 4: Simplify right side
    168,019.13x = 70,851,526,220.25
  5. Step 5: Solve for x
    x = 70,851,526,220.25/168,019.13
  6. Step 6: Final answer
    x = 421,687.27

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.