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Finding the Third Proportional to 36,214.50 and 76,776

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Solution

The third proportional to 36,214.50 and 76,776 is: 162,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.50 : 76,776 = 76,776 : x
  2. Step 2: Convert to fraction form
    36,214.50/76,776 = 76,776/x
  3. Step 3: Cross multiply
    36,214.50x = 76,776 × 76,776
  4. Step 4: Simplify right side
    36,214.50x = 5,894,554,176
  5. Step 5: Solve for x
    x = 5,894,554,176/36,214.50
  6. Step 6: Final answer
    x = 162,767.79

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.