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Finding the Third Proportional to 125,910 and 190,077.75

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Solution

The third proportional to 125,910 and 190,077.75 is: 286,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,910 : 190,077.75 = 190,077.75 : x
  2. Step 2: Convert to fraction form
    125,910/190,077.75 = 190,077.75/x
  3. Step 3: Cross multiply
    125,910x = 190,077.75 × 190,077.75
  4. Step 4: Simplify right side
    125,910x = 36,129,551,045.06
  5. Step 5: Solve for x
    x = 36,129,551,045.06/125,910
  6. Step 6: Final answer
    x = 286,947.43

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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.