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Finding the Third Proportional to 96,818 and 209,719

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Solution

The third proportional to 96,818 and 209,719 is: 454,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,818 : 209,719 = 209,719 : x
  2. Step 2: Convert to fraction form
    96,818/209,719 = 209,719/x
  3. Step 3: Cross multiply
    96,818x = 209,719 × 209,719
  4. Step 4: Simplify right side
    96,818x = 43,982,058,961
  5. Step 5: Solve for x
    x = 43,982,058,961/96,818
  6. Step 6: Final answer
    x = 454,275.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.