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Finding the Third Proportional to 36,628 and 53,645

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Solution

The third proportional to 36,628 and 53,645 is: 78,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628 : 53,645 = 53,645 : x
  2. Step 2: Convert to fraction form
    36,628/53,645 = 53,645/x
  3. Step 3: Cross multiply
    36,628x = 53,645 × 53,645
  4. Step 4: Simplify right side
    36,628x = 2,877,786,025
  5. Step 5: Solve for x
    x = 2,877,786,025/36,628
  6. Step 6: Final answer
    x = 78,567.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.