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Finding the Third Proportional to 72,144 and 110,952

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Solution

The third proportional to 72,144 and 110,952 is: 170,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,144 : 110,952 = 110,952 : x
  2. Step 2: Convert to fraction form
    72,144/110,952 = 110,952/x
  3. Step 3: Cross multiply
    72,144x = 110,952 × 110,952
  4. Step 4: Simplify right side
    72,144x = 12,310,346,304
  5. Step 5: Solve for x
    x = 12,310,346,304/72,144
  6. Step 6: Final answer
    x = 170,635.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.