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Finding the Third Proportional to 305,424 and 671,072

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Solution

The third proportional to 305,424 and 671,072 is: 1,474,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,424 : 671,072 = 671,072 : x
  2. Step 2: Convert to fraction form
    305,424/671,072 = 671,072/x
  3. Step 3: Cross multiply
    305,424x = 671,072 × 671,072
  4. Step 4: Simplify right side
    305,424x = 450,337,629,184
  5. Step 5: Solve for x
    x = 450,337,629,184/305,424
  6. Step 6: Final answer
    x = 1,474,467.07

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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.