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Finding the Third Proportional to 7,218 and 14,463

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Solution

The third proportional to 7,218 and 14,463 is: 28,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218 : 14,463 = 14,463 : x
  2. Step 2: Convert to fraction form
    7,218/14,463 = 14,463/x
  3. Step 3: Cross multiply
    7,218x = 14,463 × 14,463
  4. Step 4: Simplify right side
    7,218x = 209,178,369
  5. Step 5: Solve for x
    x = 209,178,369/7,218
  6. Step 6: Final answer
    x = 28,980.10

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.