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Finding the Third Proportional to 58,437 and 127,990

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Solution

The third proportional to 58,437 and 127,990 is: 280,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,437 : 127,990 = 127,990 : x
  2. Step 2: Convert to fraction form
    58,437/127,990 = 127,990/x
  3. Step 3: Cross multiply
    58,437x = 127,990 × 127,990
  4. Step 4: Simplify right side
    58,437x = 16,381,440,100
  5. Step 5: Solve for x
    x = 16,381,440,100/58,437
  6. Step 6: Final answer
    x = 280,326.51

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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.