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Finding the Third Proportional to 5,332 and 8,457

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Solution

The third proportional to 5,332 and 8,457 is: 13,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332 : 8,457 = 8,457 : x
  2. Step 2: Convert to fraction form
    5,332/8,457 = 8,457/x
  3. Step 3: Cross multiply
    5,332x = 8,457 × 8,457
  4. Step 4: Simplify right side
    5,332x = 71,520,849
  5. Step 5: Solve for x
    x = 71,520,849/5,332
  6. Step 6: Final answer
    x = 13,413.51

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.