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Finding the Third Proportional to 72,173 and 156,625

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Solution

The third proportional to 72,173 and 156,625 is: 339,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,173 : 156,625 = 156,625 : x
  2. Step 2: Convert to fraction form
    72,173/156,625 = 156,625/x
  3. Step 3: Cross multiply
    72,173x = 156,625 × 156,625
  4. Step 4: Simplify right side
    72,173x = 24,531,390,625
  5. Step 5: Solve for x
    x = 24,531,390,625/72,173
  6. Step 6: Final answer
    x = 339,897.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.