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Finding the Third Proportional to 56,880.15 and 122,629.51

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Solution

The third proportional to 56,880.15 and 122,629.51 is: 264,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,880.15 : 122,629.51 = 122,629.51 : x
  2. Step 2: Convert to fraction form
    56,880.15/122,629.51 = 122,629.51/x
  3. Step 3: Cross multiply
    56,880.15x = 122,629.51 × 122,629.51
  4. Step 4: Simplify right side
    56,880.15x = 15,037,996,964.75
  5. Step 5: Solve for x
    x = 15,037,996,964.75/56,880.15
  6. Step 6: Final answer
    x = 264,380.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.