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Finding the Third Proportional to 88,631.75 and 189,722.13

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Solution

The third proportional to 88,631.75 and 189,722.13 is: 406,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,631.75 : 189,722.13 = 189,722.13 : x
  2. Step 2: Convert to fraction form
    88,631.75/189,722.13 = 189,722.13/x
  3. Step 3: Cross multiply
    88,631.75x = 189,722.13 × 189,722.13
  4. Step 4: Simplify right side
    88,631.75x = 35,994,484,714.52
  5. Step 5: Solve for x
    x = 35,994,484,714.52/88,631.75
  6. Step 6: Final answer
    x = 406,112.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.