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Finding the Third Proportional to 304,279.50 and 649,267.50

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Solution

The third proportional to 304,279.50 and 649,267.50 is: 1,385,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,279.50 : 649,267.50 = 649,267.50 : x
  2. Step 2: Convert to fraction form
    304,279.50/649,267.50 = 649,267.50/x
  3. Step 3: Cross multiply
    304,279.50x = 649,267.50 × 649,267.50
  4. Step 4: Simplify right side
    304,279.50x = 421,548,286,556.25
  5. Step 5: Solve for x
    x = 421,548,286,556.25/304,279.50
  6. Step 6: Final answer
    x = 1,385,398.25

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.