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Finding the Third Proportional to 14,021.50 and 29,915

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Solution

The third proportional to 14,021.50 and 29,915 is: 63,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.50 : 29,915 = 29,915 : x
  2. Step 2: Convert to fraction form
    14,021.50/29,915 = 29,915/x
  3. Step 3: Cross multiply
    14,021.50x = 29,915 × 29,915
  4. Step 4: Simplify right side
    14,021.50x = 894,907,225
  5. Step 5: Solve for x
    x = 894,907,225/14,021.50
  6. Step 6: Final answer
    x = 63,823.93

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.