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Finding the Third Proportional to 4,476 and 6,516

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Solution

The third proportional to 4,476 and 6,516 is: 9,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476 : 6,516 = 6,516 : x
  2. Step 2: Convert to fraction form
    4,476/6,516 = 6,516/x
  3. Step 3: Cross multiply
    4,476x = 6,516 × 6,516
  4. Step 4: Simplify right side
    4,476x = 42,458,256
  5. Step 5: Solve for x
    x = 42,458,256/4,476
  6. Step 6: Final answer
    x = 9,485.76

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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.