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Finding the Third Proportional to 57,369 and 125,820

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Solution

The third proportional to 57,369 and 125,820 is: 275,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,369 : 125,820 = 125,820 : x
  2. Step 2: Convert to fraction form
    57,369/125,820 = 125,820/x
  3. Step 3: Cross multiply
    57,369x = 125,820 × 125,820
  4. Step 4: Simplify right side
    57,369x = 15,830,672,400
  5. Step 5: Solve for x
    x = 15,830,672,400/57,369
  6. Step 6: Final answer
    x = 275,944.72

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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.