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Finding the Third Proportional to 285,852 and 644,538

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Solution

The third proportional to 285,852 and 644,538 is: 1,453,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,852 : 644,538 = 644,538 : x
  2. Step 2: Convert to fraction form
    285,852/644,538 = 644,538/x
  3. Step 3: Cross multiply
    285,852x = 644,538 × 644,538
  4. Step 4: Simplify right side
    285,852x = 415,429,233,444
  5. Step 5: Solve for x
    x = 415,429,233,444/285,852
  6. Step 6: Final answer
    x = 1,453,301.83

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.