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Finding the Third Proportional to 36,445 and 78,632

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Solution

The third proportional to 36,445 and 78,632 is: 169,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,445 : 78,632 = 78,632 : x
  2. Step 2: Convert to fraction form
    36,445/78,632 = 78,632/x
  3. Step 3: Cross multiply
    36,445x = 78,632 × 78,632
  4. Step 4: Simplify right side
    36,445x = 6,182,991,424
  5. Step 5: Solve for x
    x = 6,182,991,424/36,445
  6. Step 6: Final answer
    x = 169,652.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.