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Finding the Third Proportional to 125,790 and 170,925

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Solution

The third proportional to 125,790 and 170,925 is: 232,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,790 : 170,925 = 170,925 : x
  2. Step 2: Convert to fraction form
    125,790/170,925 = 170,925/x
  3. Step 3: Cross multiply
    125,790x = 170,925 × 170,925
  4. Step 4: Simplify right side
    125,790x = 29,215,355,625
  5. Step 5: Solve for x
    x = 29,215,355,625/125,790
  6. Step 6: Final answer
    x = 232,254.99

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.