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Finding the Third Proportional to 5,371 and 8,363

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Solution

The third proportional to 5,371 and 8,363 is: 13,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371 : 8,363 = 8,363 : x
  2. Step 2: Convert to fraction form
    5,371/8,363 = 8,363/x
  3. Step 3: Cross multiply
    5,371x = 8,363 × 8,363
  4. Step 4: Simplify right side
    5,371x = 69,939,769
  5. Step 5: Solve for x
    x = 69,939,769/5,371
  6. Step 6: Final answer
    x = 13,021.74

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.