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Finding the Third Proportional to 7,184 and 14,878

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Solution

The third proportional to 7,184 and 14,878 is: 30,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184 : 14,878 = 14,878 : x
  2. Step 2: Convert to fraction form
    7,184/14,878 = 14,878/x
  3. Step 3: Cross multiply
    7,184x = 14,878 × 14,878
  4. Step 4: Simplify right side
    7,184x = 221,354,884
  5. Step 5: Solve for x
    x = 221,354,884/7,184
  6. Step 6: Final answer
    x = 30,812.21

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.