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Finding the Third Proportional to 7,008.50 and 14,215

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Solution

The third proportional to 7,008.50 and 14,215 is: 28,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.50 : 14,215 = 14,215 : x
  2. Step 2: Convert to fraction form
    7,008.50/14,215 = 14,215/x
  3. Step 3: Cross multiply
    7,008.50x = 14,215 × 14,215
  4. Step 4: Simplify right side
    7,008.50x = 202,066,225
  5. Step 5: Solve for x
    x = 202,066,225/7,008.50
  6. Step 6: Final answer
    x = 28,831.59

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.