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Finding the Third Proportional to 58,419 and 126,679.50

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Solution

The third proportional to 58,419 and 126,679.50 is: 274,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,419 : 126,679.50 = 126,679.50 : x
  2. Step 2: Convert to fraction form
    58,419/126,679.50 = 126,679.50/x
  3. Step 3: Cross multiply
    58,419x = 126,679.50 × 126,679.50
  4. Step 4: Simplify right side
    58,419x = 16,047,695,720.25
  5. Step 5: Solve for x
    x = 16,047,695,720.25/58,419
  6. Step 6: Final answer
    x = 274,699.94

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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.