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Finding the Third Proportional to 64,162 and 99,159

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Solution

The third proportional to 64,162 and 99,159 is: 153,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162 : 99,159 = 99,159 : x
  2. Step 2: Convert to fraction form
    64,162/99,159 = 99,159/x
  3. Step 3: Cross multiply
    64,162x = 99,159 × 99,159
  4. Step 4: Simplify right side
    64,162x = 9,832,507,281
  5. Step 5: Solve for x
    x = 9,832,507,281/64,162
  6. Step 6: Final answer
    x = 153,245.02

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.