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Finding the Third Proportional to 72,658.88 and 110,871.75

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Solution

The third proportional to 72,658.88 and 110,871.75 is: 169,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,658.88 : 110,871.75 = 110,871.75 : x
  2. Step 2: Convert to fraction form
    72,658.88/110,871.75 = 110,871.75/x
  3. Step 3: Cross multiply
    72,658.88x = 110,871.75 × 110,871.75
  4. Step 4: Simplify right side
    72,658.88x = 12,292,544,948.06
  5. Step 5: Solve for x
    x = 12,292,544,948.06/72,658.88
  6. Step 6: Final answer
    x = 169,181.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.