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Finding the Third Proportional to 57,321 and 124,240.50

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Solution

The third proportional to 57,321 and 124,240.50 is: 269,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321 : 124,240.50 = 124,240.50 : x
  2. Step 2: Convert to fraction form
    57,321/124,240.50 = 124,240.50/x
  3. Step 3: Cross multiply
    57,321x = 124,240.50 × 124,240.50
  4. Step 4: Simplify right side
    57,321x = 15,435,701,840.25
  5. Step 5: Solve for x
    x = 15,435,701,840.25/57,321
  6. Step 6: Final answer
    x = 269,285.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.