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Finding the Third Proportional to 204,943 and 313,633

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Solution

The third proportional to 204,943 and 313,633 is: 479,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,943 : 313,633 = 313,633 : x
  2. Step 2: Convert to fraction form
    204,943/313,633 = 313,633/x
  3. Step 3: Cross multiply
    204,943x = 313,633 × 313,633
  4. Step 4: Simplify right side
    204,943x = 98,365,658,689
  5. Step 5: Solve for x
    x = 98,365,658,689/204,943
  6. Step 6: Final answer
    x = 479,965.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.