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Finding the Third Proportional to 58,076 and 127,218

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Solution

The third proportional to 58,076 and 127,218 is: 278,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,076 : 127,218 = 127,218 : x
  2. Step 2: Convert to fraction form
    58,076/127,218 = 127,218/x
  3. Step 3: Cross multiply
    58,076x = 127,218 × 127,218
  4. Step 4: Simplify right side
    58,076x = 16,184,419,524
  5. Step 5: Solve for x
    x = 16,184,419,524/58,076
  6. Step 6: Final answer
    x = 278,676.55

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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.