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Finding the Third Proportional to 36,528 and 78,876

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Solution

The third proportional to 36,528 and 78,876 is: 170,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,528 : 78,876 = 78,876 : x
  2. Step 2: Convert to fraction form
    36,528/78,876 = 78,876/x
  3. Step 3: Cross multiply
    36,528x = 78,876 × 78,876
  4. Step 4: Simplify right side
    36,528x = 6,221,423,376
  5. Step 5: Solve for x
    x = 6,221,423,376/36,528
  6. Step 6: Final answer
    x = 170,319.30

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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.