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Finding the Third Proportional to 125,913 and 276,634.50

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Solution

The third proportional to 125,913 and 276,634.50 is: 607,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,913 : 276,634.50 = 276,634.50 : x
  2. Step 2: Convert to fraction form
    125,913/276,634.50 = 276,634.50/x
  3. Step 3: Cross multiply
    125,913x = 276,634.50 × 276,634.50
  4. Step 4: Simplify right side
    125,913x = 76,526,646,590.25
  5. Step 5: Solve for x
    x = 76,526,646,590.25/125,913
  6. Step 6: Final answer
    x = 607,773.99

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.