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Finding the Third Proportional to 72,582 and 108,873

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Solution

The third proportional to 72,582 and 108,873 is: 163,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582 : 108,873 = 108,873 : x
  2. Step 2: Convert to fraction form
    72,582/108,873 = 108,873/x
  3. Step 3: Cross multiply
    72,582x = 108,873 × 108,873
  4. Step 4: Simplify right side
    72,582x = 11,853,330,129
  5. Step 5: Solve for x
    x = 11,853,330,129/72,582
  6. Step 6: Final answer
    x = 163,309.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.