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Finding the Third Proportional to 306,055 and 475,070

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Solution

The third proportional to 306,055 and 475,070 is: 737,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,055 : 475,070 = 475,070 : x
  2. Step 2: Convert to fraction form
    306,055/475,070 = 475,070/x
  3. Step 3: Cross multiply
    306,055x = 475,070 × 475,070
  4. Step 4: Simplify right side
    306,055x = 225,691,504,900
  5. Step 5: Solve for x
    x = 225,691,504,900/306,055
  6. Step 6: Final answer
    x = 737,421.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.