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Finding the Third Proportional to 87,533.50 and 138,954.50

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Solution

The third proportional to 87,533.50 and 138,954.50 is: 220,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,533.50 : 138,954.50 = 138,954.50 : x
  2. Step 2: Convert to fraction form
    87,533.50/138,954.50 = 138,954.50/x
  3. Step 3: Cross multiply
    87,533.50x = 138,954.50 × 138,954.50
  4. Step 4: Simplify right side
    87,533.50x = 19,308,353,070.25
  5. Step 5: Solve for x
    x = 19,308,353,070.25/87,533.50
  6. Step 6: Final answer
    x = 220,582.44

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.