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Finding the Third Proportional to 58,431 and 126,798

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Solution

The third proportional to 58,431 and 126,798 is: 275,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,431 : 126,798 = 126,798 : x
  2. Step 2: Convert to fraction form
    58,431/126,798 = 126,798/x
  3. Step 3: Cross multiply
    58,431x = 126,798 × 126,798
  4. Step 4: Simplify right side
    58,431x = 16,077,732,804
  5. Step 5: Solve for x
    x = 16,077,732,804/58,431
  6. Step 6: Final answer
    x = 275,157.58

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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.