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Finding the Third Proportional to 7,479 and 14,046

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Solution

The third proportional to 7,479 and 14,046 is: 26,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479 : 14,046 = 14,046 : x
  2. Step 2: Convert to fraction form
    7,479/14,046 = 14,046/x
  3. Step 3: Cross multiply
    7,479x = 14,046 × 14,046
  4. Step 4: Simplify right side
    7,479x = 197,290,116
  5. Step 5: Solve for x
    x = 197,290,116/7,479
  6. Step 6: Final answer
    x = 26,379.21

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.