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Finding the Third Proportional to 48,804 and 66,292.50

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Solution

The third proportional to 48,804 and 66,292.50 is: 90,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,804 : 66,292.50 = 66,292.50 : x
  2. Step 2: Convert to fraction form
    48,804/66,292.50 = 66,292.50/x
  3. Step 3: Cross multiply
    48,804x = 66,292.50 × 66,292.50
  4. Step 4: Simplify right side
    48,804x = 4,394,695,556.25
  5. Step 5: Solve for x
    x = 4,394,695,556.25/48,804
  6. Step 6: Final answer
    x = 90,047.86

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.