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Finding the Third Proportional to 76,159 and 165,028

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Solution

The third proportional to 76,159 and 165,028 is: 357,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,159 : 165,028 = 165,028 : x
  2. Step 2: Convert to fraction form
    76,159/165,028 = 165,028/x
  3. Step 3: Cross multiply
    76,159x = 165,028 × 165,028
  4. Step 4: Simplify right side
    76,159x = 27,234,240,784
  5. Step 5: Solve for x
    x = 27,234,240,784/76,159
  6. Step 6: Final answer
    x = 357,597.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.