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Finding the Third Proportional to 53,220.50 and 73,998.50

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Solution

The third proportional to 53,220.50 and 73,998.50 is: 102,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.50 : 73,998.50 = 73,998.50 : x
  2. Step 2: Convert to fraction form
    53,220.50/73,998.50 = 73,998.50/x
  3. Step 3: Cross multiply
    53,220.50x = 73,998.50 × 73,998.50
  4. Step 4: Simplify right side
    53,220.50x = 5,475,778,002.25
  5. Step 5: Solve for x
    x = 5,475,778,002.25/53,220.50
  6. Step 6: Final answer
    x = 102,888.51

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.