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Finding the Third Proportional to 6,915 and 14,650.50

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Solution

The third proportional to 6,915 and 14,650.50 is: 31,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915 : 14,650.50 = 14,650.50 : x
  2. Step 2: Convert to fraction form
    6,915/14,650.50 = 14,650.50/x
  3. Step 3: Cross multiply
    6,915x = 14,650.50 × 14,650.50
  4. Step 4: Simplify right side
    6,915x = 214,637,150.25
  5. Step 5: Solve for x
    x = 214,637,150.25/6,915
  6. Step 6: Final answer
    x = 31,039.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.