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Finding the Third Proportional to 603,630 and 1,279,217.25

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Solution

The third proportional to 603,630 and 1,279,217.25 is: 2,710,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,630 : 1,279,217.25 = 1,279,217.25 : x
  2. Step 2: Convert to fraction form
    603,630/1,279,217.25 = 1,279,217.25/x
  3. Step 3: Cross multiply
    603,630x = 1,279,217.25 × 1,279,217.25
  4. Step 4: Simplify right side
    603,630x = 1,636,396,772,697.56
  5. Step 5: Solve for x
    x = 1,636,396,772,697.56/603,630
  6. Step 6: Final answer
    x = 2,710,926.85

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.