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Finding the Third Proportional to 28,755.63 and 62,739.56

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Solution

The third proportional to 28,755.63 and 62,739.56 is: 136,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.63 : 62,739.56 = 62,739.56 : x
  2. Step 2: Convert to fraction form
    28,755.63/62,739.56 = 62,739.56/x
  3. Step 3: Cross multiply
    28,755.63x = 62,739.56 × 62,739.56
  4. Step 4: Simplify right side
    28,755.63x = 3,936,252,702.69
  5. Step 5: Solve for x
    x = 3,936,252,702.69/28,755.63
  6. Step 6: Final answer
    x = 136,886.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.