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Finding the Third Proportional to 72,181.13 and 173,890.13

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Solution

The third proportional to 72,181.13 and 173,890.13 is: 418,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,181.13 : 173,890.13 = 173,890.13 : x
  2. Step 2: Convert to fraction form
    72,181.13/173,890.13 = 173,890.13/x
  3. Step 3: Cross multiply
    72,181.13x = 173,890.13 × 173,890.13
  4. Step 4: Simplify right side
    72,181.13x = 30,237,775,572.52
  5. Step 5: Solve for x
    x = 30,237,775,572.52/72,181.13
  6. Step 6: Final answer
    x = 418,915.27

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.