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Finding the Third Proportional to 207,288 and 447,660

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Solution

The third proportional to 207,288 and 447,660 is: 966,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,288 : 447,660 = 447,660 : x
  2. Step 2: Convert to fraction form
    207,288/447,660 = 447,660/x
  3. Step 3: Cross multiply
    207,288x = 447,660 × 447,660
  4. Step 4: Simplify right side
    207,288x = 200,399,475,600
  5. Step 5: Solve for x
    x = 200,399,475,600/207,288
  6. Step 6: Final answer
    x = 966,768.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.