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Finding the Third Proportional to 62,921.81 and 98,209.97

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Solution

The third proportional to 62,921.81 and 98,209.97 is: 153,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,921.81 : 98,209.97 = 98,209.97 : x
  2. Step 2: Convert to fraction form
    62,921.81/98,209.97 = 98,209.97/x
  3. Step 3: Cross multiply
    62,921.81x = 98,209.97 × 98,209.97
  4. Step 4: Simplify right side
    62,921.81x = 9,645,197,961.88
  5. Step 5: Solve for x
    x = 9,645,197,961.88/62,921.81
  6. Step 6: Final answer
    x = 153,288.62

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.