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Finding the Third Proportional to 73,866 and 162,516

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Solution

The third proportional to 73,866 and 162,516 is: 357,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866 : 162,516 = 162,516 : x
  2. Step 2: Convert to fraction form
    73,866/162,516 = 162,516/x
  3. Step 3: Cross multiply
    73,866x = 162,516 × 162,516
  4. Step 4: Simplify right side
    73,866x = 26,411,450,256
  5. Step 5: Solve for x
    x = 26,411,450,256/73,866
  6. Step 6: Final answer
    x = 357,558.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.