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Finding the Third Proportional to 96,816 and 209,715

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Solution

The third proportional to 96,816 and 209,715 is: 454,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,816 : 209,715 = 209,715 : x
  2. Step 2: Convert to fraction form
    96,816/209,715 = 209,715/x
  3. Step 3: Cross multiply
    96,816x = 209,715 × 209,715
  4. Step 4: Simplify right side
    96,816x = 43,980,381,225
  5. Step 5: Solve for x
    x = 43,980,381,225/96,816
  6. Step 6: Final answer
    x = 454,267.70

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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.