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Finding the Third Proportional to 76,516 and 165,737

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Solution

The third proportional to 76,516 and 165,737 is: 358,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,516 : 165,737 = 165,737 : x
  2. Step 2: Convert to fraction form
    76,516/165,737 = 165,737/x
  3. Step 3: Cross multiply
    76,516x = 165,737 × 165,737
  4. Step 4: Simplify right side
    76,516x = 27,468,753,169
  5. Step 5: Solve for x
    x = 27,468,753,169/76,516
  6. Step 6: Final answer
    x = 358,993.59

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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.