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Finding the Third Proportional to 207,720 and 454,968

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Solution

The third proportional to 207,720 and 454,968 is: 996,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,720 : 454,968 = 454,968 : x
  2. Step 2: Convert to fraction form
    207,720/454,968 = 454,968/x
  3. Step 3: Cross multiply
    207,720x = 454,968 × 454,968
  4. Step 4: Simplify right side
    207,720x = 206,995,881,024
  5. Step 5: Solve for x
    x = 206,995,881,024/207,720
  6. Step 6: Final answer
    x = 996,513.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.