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Finding the Third Proportional to 125,172 and 188,820

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Solution

The third proportional to 125,172 and 188,820 is: 284,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,172 : 188,820 = 188,820 : x
  2. Step 2: Convert to fraction form
    125,172/188,820 = 188,820/x
  3. Step 3: Cross multiply
    125,172x = 188,820 × 188,820
  4. Step 4: Simplify right side
    125,172x = 35,652,992,400
  5. Step 5: Solve for x
    x = 35,652,992,400/125,172
  6. Step 6: Final answer
    x = 284,832.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.