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Finding the Third Proportional to 15,880 and 36,776

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Solution

The third proportional to 15,880 and 36,776 is: 85,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880 : 36,776 = 36,776 : x
  2. Step 2: Convert to fraction form
    15,880/36,776 = 36,776/x
  3. Step 3: Cross multiply
    15,880x = 36,776 × 36,776
  4. Step 4: Simplify right side
    15,880x = 1,352,474,176
  5. Step 5: Solve for x
    x = 1,352,474,176/15,880
  6. Step 6: Final answer
    x = 85,168.40

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.