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Finding the Third Proportional to 96,816 and 208,928

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Solution

The third proportional to 96,816 and 208,928 is: 450,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,816 : 208,928 = 208,928 : x
  2. Step 2: Convert to fraction form
    96,816/208,928 = 208,928/x
  3. Step 3: Cross multiply
    96,816x = 208,928 × 208,928
  4. Step 4: Simplify right side
    96,816x = 43,650,909,184
  5. Step 5: Solve for x
    x = 43,650,909,184/96,816
  6. Step 6: Final answer
    x = 450,864.62

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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.