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Finding the Third Proportional to 98,542.50 and 216,160.75

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Solution

The third proportional to 98,542.50 and 216,160.75 is: 474,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,542.50 : 216,160.75 = 216,160.75 : x
  2. Step 2: Convert to fraction form
    98,542.50/216,160.75 = 216,160.75/x
  3. Step 3: Cross multiply
    98,542.50x = 216,160.75 × 216,160.75
  4. Step 4: Simplify right side
    98,542.50x = 46,725,469,840.56
  5. Step 5: Solve for x
    x = 46,725,469,840.56/98,542.50
  6. Step 6: Final answer
    x = 474,165.66

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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.