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Finding the Third Proportional to 316,450.50 and 644,652

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Solution

The third proportional to 316,450.50 and 644,652 is: 1,313,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,450.50 : 644,652 = 644,652 : x
  2. Step 2: Convert to fraction form
    316,450.50/644,652 = 644,652/x
  3. Step 3: Cross multiply
    316,450.50x = 644,652 × 644,652
  4. Step 4: Simplify right side
    316,450.50x = 415,576,201,104
  5. Step 5: Solve for x
    x = 415,576,201,104/316,450.50
  6. Step 6: Final answer
    x = 1,313,242.36

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.