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Finding the Third Proportional to 28,804.50 and 63,081

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Solution

The third proportional to 28,804.50 and 63,081 is: 138,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.50 : 63,081 = 63,081 : x
  2. Step 2: Convert to fraction form
    28,804.50/63,081 = 63,081/x
  3. Step 3: Cross multiply
    28,804.50x = 63,081 × 63,081
  4. Step 4: Simplify right side
    28,804.50x = 3,979,212,561
  5. Step 5: Solve for x
    x = 3,979,212,561/28,804.50
  6. Step 6: Final answer
    x = 138,145.52

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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.