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Finding the Third Proportional to 125,789 and 170,923

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Solution

The third proportional to 125,789 and 170,923 is: 232,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,789 : 170,923 = 170,923 : x
  2. Step 2: Convert to fraction form
    125,789/170,923 = 170,923/x
  3. Step 3: Cross multiply
    125,789x = 170,923 × 170,923
  4. Step 4: Simplify right side
    125,789x = 29,214,671,929
  5. Step 5: Solve for x
    x = 29,214,671,929/125,789
  6. Step 6: Final answer
    x = 232,251.40

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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.