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Finding the Third Proportional to 5,478 and 9,063

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Solution

The third proportional to 5,478 and 9,063 is: 14,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478 : 9,063 = 9,063 : x
  2. Step 2: Convert to fraction form
    5,478/9,063 = 9,063/x
  3. Step 3: Cross multiply
    5,478x = 9,063 × 9,063
  4. Step 4: Simplify right side
    5,478x = 82,137,969
  5. Step 5: Solve for x
    x = 82,137,969/5,478
  6. Step 6: Final answer
    x = 14,994.15

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.